31013209799292 has 48 divisors (see below), whose sum is σ = 82702929076992. Its totient is φ = 8860806055680.

The previous prime is 31013209799263. The next prime is 31013209799389. The reversal of 31013209799292 is 29299790231013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4551067 + ... + 9096077.

It is an arithmetic number, because the mean of its divisors is an integer number (1722977689104).

Almost surely, 2^{31013209799292} is an apocalyptic number.

It is an amenable number.

31013209799292 is an abundant number, since it is smaller than the sum of its proper divisors (51689719277700).

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

31013209799292 is a wasteful number, since it uses less digits than its factorization.

31013209799292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626258 (or 4626256 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 57.

The spelling of 31013209799292 in words is "thirty-one trillion, thirteen billion, two hundred nine million, seven hundred ninety-nine thousand, two hundred ninety-two".