31215324051104 has 48 divisors (see below), whose sum is σ = 62321849706816. Its totient is φ = 15387560563200.

The previous prime is 31215324051077. The next prime is 31215324051127. The reversal of 31215324051104 is 40115042351213.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 195337124 + ... + 195496860.

It is an arithmetic number, because the mean of its divisors is an integer number (1298371868892).

Almost surely, 2^{31215324051104} is an apocalyptic number.

It is an amenable number.

31215324051104 is a deficient number, since it is larger than the sum of its proper divisors (31106525655712).

31215324051104 is a wasteful number, since it uses less digits than its factorization.

31215324051104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245829 (or 245821 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 31215324051104 in words is "thirty-one trillion, two hundred fifteen billion, three hundred twenty-four million, fifty-one thousand, one hundred four".