31062790252 has 48 divisors (see below), whose sum is σ = 63984598272. Its totient is φ = 13058058240.

The previous prime is 31062790217. The next prime is 31062790261. The reversal of 31062790252 is 25209726013.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539353 + ... + 594160.

It is an arithmetic number, because the mean of its divisors is an integer number (1333012464).

Almost surely, 2^31062790252 is an apocalyptic number.

It is an amenable number.

31062790252 is an abundant number, since it is smaller than the sum of its proper divisors (32921808020).

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

31062790252 is a wasteful number, since it uses less digits than its factorization.

31062790252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133578 (or 1133576 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 31062790252 in words is "thirty-one billion, sixty-two million, seven hundred ninety thousand, two hundred fifty-two".