31492829020 has 24 divisors (see below), whose sum is σ = 66540683664. Its totient is φ = 12519847296.

The previous prime is 31492828993. The next prime is 31492829057. The reversal of 31492829020 is 2092829413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4826929 + ... + 4833448.

It is an arithmetic number, because the mean of its divisors is an integer number (2772528486).

Almost surely, 2^31492829020 is an apocalyptic number.

It is an amenable number.

31492829020 is an abundant number, since it is smaller than the sum of its proper divisors (35047854644).

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

31492829020 is a wasteful number, since it uses less digits than its factorization.

31492829020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660549 (or 9660547 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 31492829020 in words is "thirty-one billion, four hundred ninety-two million, eight hundred twenty-nine thousand, twenty".