31938952 has 16 divisors (see below), whose sum is σ = 60157440. Its totient is φ = 15896976.

The previous prime is 31938923. The next prime is 31938953. The reversal of 31938952 is 25983913.

It is not an unprimeable number, because it can be changed into a prime (31938953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7168 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (3759840).

Almost surely, 2^31938952 is an apocalyptic number.

It is an amenable number.

31938952 is a deficient number, since it is larger than the sum of its proper divisors (28218488).

31938952 is a wasteful number, since it uses less digits than its factorization.

31938952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18132 (or 18128 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 31938952 is about 5651.4557416652. The cubic root of 31938952 is about 317.2781909144.

The spelling of 31938952 in words is "thirty-one million, nine hundred thirty-eight thousand, nine hundred fifty-two".