4D number history
4D number 3631 — drawn 16 times across our 10 tracked operators, most recently on 2026-01-31.
Most recently drawn as Special prize at Singapore Pools 4D on 2026-01-31.
Wins of 3631 by operator
Every recorded draw of 3631
| Date | Operator | Prize tier |
|---|---|---|
| 2026-01-31 | Singapore Pools 4D | Special prize |
| 2025-12-27 | Sabah 88 4D | Consolation |
| 2025-10-28 | Magnum 4D | Consolation |
| 2025-09-02 | Lucky Hari Hari 4D | 2nd prize |
| 2025-08-27 | Singapore Pools 4D | Consolation |
| 2025-08-03 | Grand Dragon Lotto | Special prize |
| 2025-05-18 | Sabah 88 4D | Consolation |
| 2025-04-17 | Lucky Hari Hari 4D | Consolation |
| 2025-02-04 | Magnum 4D | Consolation |
| 2025-01-06 | Perdana 4D | Special prize |
| 2024-09-24 | Lucky Hari Hari 4D | Special prize |
| 2024-05-08 | Lucky Hari Hari 4D | Special prize |
| 2024-04-14 | Sabah 88 4D | Special prize |
| 2024-02-24 | Special Cash Sweep 4D | Consolation |
| 2024-01-17 | Sabah 88 4D | Consolation |
| 2024-01-04 | Grand Dragon Lotto | Special prize |
Number facts — 3631
A read of the four digits of 3631 on their own — these properties hold whether or not the number has ever been drawn. Most serve no statistical purpose for a random 4D draw, but they're useful context when comparing numbers or choosing iBox plays.
| Digit sum | 3 + 6 + 3 + 1 = 13 |
|---|---|
| Digit product | 3 × 6 × 3 × 1 = 54 |
| Reverse | 1363 |
| Palindrome | No |
| Unique digits | 3 of 4 |
| Sequential pairs | 36, 63, 31 |
| Big/Small bias | 3 small (0–4) / 1 big (5–9) — leans Small |
| Parity | Odd |
| Prime | Yes — 3631 is prime |
iBox / Permutation play — 3631
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 3631 are listed below — there are 12 permutations total (repeated digits collapse the 24 possibilities down to 12).
Nearby numbers
Walk up or down by one, jump to the reverse, or see numbers that differ by just a single digit position.
Numbers that differ from 3631 by one digit:
Cultural reading of 3631
In Malaysian, Singaporean, and Cambodian Chinese 4D culture, individual digits carry phonetic associations through Cantonese homophones. These are widely shared folk readings — not predictions and not statistical claims.
| Digit | Sound | Common association |
|---|---|---|
| 3 | saam (三) | birth and growth (similar to 生 sheng) |
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
| 3 | saam (三) | birth and growth (similar to 生 sheng) |
| 1 | yat (一) | single, the start, certainty |
Combined reading: Includes 6 (六 luk), commonly associated with smoothness through the homophone 流. The digit sum is 13.
Hot or cold?
3631 has appeared 16 times — comfortably in the "hot" range across our window.
For the full picture, see the hottest and coldest numbers tool which ranks every drawn 4-digit number across all 10 operators.
Check this number at each operator
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Frequently asked questions
- Has 4D number 3631 ever won?
- Yes — 3631 has been recorded as a winning number 16 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 3631 won?
- The most recent recorded draw of 3631 was on 2026-01-31 at Singapore Pools 4D.
- Which operator has drawn 3631 most often?
- Lucky Hari Hari 4D has drawn 3631 the most times in our recorded window.
- Is 3631 a hot or cold number?
- 3631 sits on the hotter side of our distribution, with 16 recorded wins. Note this is a backward-looking statistic and does not affect future draw probability.
- How many iBox permutations does 3631 have?
- 3631 has 12 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 3631 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 3631?
- The digits 3 + 6 + 3 + 1 sum to 13.