31055952 has 40 divisors (see below), whose sum is σ = 81336064. Its totient is φ = 10209024.

The previous prime is 31055929. The next prime is 31055971. The reversal of 31055952 is 25955013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928 + ... + 7935.

Almost surely, 2^31055952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31055952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40668032).

31055952 is an abundant number, since it is smaller than the sum of its proper divisors (50280112).

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

31055952 is a wasteful number, since it uses less digits than its factorization.

31055952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8947 (or 8941 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 31055952 is about 5572.7867355570. The cubic root of 31055952 is about 314.3269479155.

The spelling of 31055952 in words is "thirty-one million, fifty-five thousand, nine hundred fifty-two".