31

31

positive integer, prime number, Mersenne prime, odd number, centered triangular number, centered decagonal number, centered pentagonal number, highly touchable number, Mersenne number, primorial prime, Euclid number

Follows	30
Followed by	32
Prime factor	31
Unicode character	㉛

31 (hàuyàa-ka-mbàɗ-kà-waɗi) ayam làmba ne ma mbèesu. Dita ne lamba a jàbā ta 30 ka bai ma 32 a lìssafi.