31 (alƙalami)
 31 | |
|---|---|
positive integer (en)  , prime number (en) , Mersenne prime (en) , odd number (en) , centered triangular number (en) , centered decagonal number (en) , centered pentagonal number (en) , highly touchable number (en) , Mersenne number (en) , primorial prime (en) da Euclid number (en) | |
 | |
| Bayanai | |
| Mabiyi | talatin |
| Ta biyo baya | 32 |
| Prime factor (en) | 31 |