31970682 has 12 divisors (see below), whose sum is σ = 69269850. Its totient is φ = 10656888.

The previous prime is 31970677. The next prime is 31970689. The reversal of 31970682 is 28607913.

It can be written as a sum of positive squares in only one way, i.e., 30041361 + 1929321 = 5481^2 + 1389^2 .

It is not an unprimeable number, because it can be changed into a prime (31970689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 888057 + ... + 888092.

Almost surely, 2^31970682 is an apocalyptic number.

31970682 is an abundant number, since it is smaller than the sum of its proper divisors (37299168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31970682 is a wasteful number, since it uses less digits than its factorization.

31970682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776157 (or 1776154 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 31970682 is about 5654.2622860989. The cubic root of 31970682 is about 317.3832236348.

The spelling of 31970682 in words is "thirty-one million, nine hundred seventy thousand, six hundred eighty-two".