31311122013292 has 48 divisors (see below), whose sum is σ = 60113424913920. Its totient is φ = 14151945963200.

The previous prime is 31311122013277. The next prime is 31311122013329. The reversal of 31311122013292 is 29231022111313.

It is a happy 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, 137535117 + ... + 137762587.

It is an arithmetic number, because the mean of its divisors is an integer number (1252363019040).

Almost surely, 2^{31311122013292} is an apocalyptic number.

It is an amenable number.

31311122013292 is a deficient number, since it is larger than the sum of its proper divisors (28802302900628).

31311122013292 is a wasteful number, since it uses less digits than its factorization.

31311122013292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245142 (or 245140 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 31311122013292 in words is "thirty-one trillion, three hundred eleven billion, one hundred twenty-two million, thirteen thousand, two hundred ninety-two".