31055996 has 6 divisors (see below), whose sum is σ = 54348000. Its totient is φ = 15527996.

The previous prime is 31055989. The next prime is 31056029. The reversal of 31055996 is 69955013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3881996 + ... + 3882003.

It is an arithmetic number, because the mean of its divisors is an integer number (9058000).

Almost surely, 2^31055996 is an apocalyptic number.

It is an amenable number.

31055996 is a deficient number, since it is larger than the sum of its proper divisors (23292004).

31055996 is a wasteful number, since it uses less digits than its factorization.

31055996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764003 (or 7764001 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 31055996 is about 5572.7906833112. The cubic root of 31055996 is about 314.3270963613.

The spelling of 31055996 in words is "thirty-one million, fifty-five thousand, nine hundred ninety-six".