31013522553204 has 72 divisors (see below), whose sum is σ = 81310509379008. Its totient is φ = 10336354764480.

The previous prime is 31013522553203. The next prime is 31013522553271. The reversal of 31013522553204 is 40235522531013.

31013522553204 is a `hidden beast` number, since 3 + 101 + 3 + 5 + 225 + 5 + 320 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013522553203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4482064 + ... + 9061784.

It is an arithmetic number, because the mean of its divisors is an integer number (1129312630264).

Almost surely, 2^{31013522553204} is an apocalyptic number.

It is an amenable number.

31013522553204 is an abundant number, since it is smaller than the sum of its proper divisors (50296986825804).

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

31013522553204 is a wasteful number, since it uses less digits than its factorization.

31013522553204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586707 (or 4586693 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 31013522553204 in words is "thirty-one trillion, thirteen billion, five hundred twenty-two million, five hundred fifty-three thousand, two hundred four".