31076972 has 6 divisors (see below), whose sum is σ = 54384708. Its totient is φ = 15538484.

The previous prime is 31076971. The next prime is 31076977. The reversal of 31076972 is 27967013.

It is not an unprimeable number, because it can be changed into a prime (31076971) 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 as a sum of consecutive naturals, namely, 3884618 + ... + 3884625.

It is an arithmetic number, because the mean of its divisors is an integer number (9064118).

Almost surely, 2^31076972 is an apocalyptic number.

It is an amenable number.

31076972 is a deficient number, since it is larger than the sum of its proper divisors (23307736).

31076972 is a wasteful number, since it uses less digits than its factorization.

31076972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769247 (or 7769245 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 31076972 is about 5574.6723670544. The cubic root of 31076972 is about 314.3978485739.

The spelling of 31076972 in words is "thirty-one million, seventy-six thousand, nine hundred seventy-two".