31982952 has 32 divisors (see below), whose sum is σ = 81910080. Its totient is φ = 10400640.

The previous prime is 31982939. The next prime is 31982957. The reversal of 31982952 is 25928913.

It is a self number, because there is not a number n which added to its sum of digits gives 31982952.

It is not an unprimeable number, because it can be changed into a prime (31982957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15268 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (2559690).

Almost surely, 2^31982952 is an apocalyptic number.

It is an amenable number.

31982952 is an abundant number, since it is smaller than the sum of its proper divisors (49927128).

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

31982952 is a wasteful number, since it uses less digits than its factorization.

31982952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32553 (or 32549 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 31982952 is about 5655.3472041953. The cubic root of 31982952 is about 317.4238211846.

The spelling of 31982952 in words is "thirty-one million, nine hundred eighty-two thousand, nine hundred fifty-two".