31836 is nontrivially palindromic in base 11.
It is a nialpdrome in base 14.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 31836.
It is an unprimeable number.
31836 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
231836 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31836 is a wasteful number, since it uses less digits than its factorization.
31836 is an odious number, because the sum of its binary digits is odd.
The square root of 31836 is about 178.4264554375. The cubic root of 31836 is about 31.6936919185.
The spelling of 31836 in words is "thirty-one thousand, eight hundred thirty-six".