31363851204 has 54 divisors (see below), whose sum is σ = 92224662894. Its totient is φ = 8961099840.

The previous prime is 31363851187. The next prime is 31363851223. The reversal of 31363851204 is 40215836313.

31363851204 is a `hidden beast` number, since 3 + 1 + 3 + 638 + 5 + 12 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18920002500 + 12443848704 = 137550^2 + 111552^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8888217 + ... + 8891744.

Almost surely, 2^31363851204 is an apocalyptic number.

It is an amenable number.

31363851204 is an abundant number, since it is smaller than the sum of its proper divisors (60860811690).

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

31363851204 is a wasteful number, since it uses less digits than its factorization.

31363851204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17779985 (or 17779973 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 31363851204 in words is "thirty-one billion, three hundred sixty-three million, eight hundred fifty-one thousand, two hundred four".