12831315804 has 18 divisors (see below), whose sum is σ = 32434715040. Its totient is φ = 4277105256.

The previous prime is 12831315797. The next prime is 12831315821. The reversal of 12831315804 is 40851313821.

12831315804 is a `hidden beast` number, since 12 + 8 + 31 + 31 + 580 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 356425439 = 12831315804 / (1 + 2 + 8 + 3 + 1 + 3 + 1 + 5 + 8 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178212684 + ... + 178212755.

Almost surely, 2^12831315804 is an apocalyptic number.

It is an amenable number.

12831315804 is an abundant number, since it is smaller than the sum of its proper divisors (19603399236).

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

12831315804 is a wasteful number, since it uses less digits than its factorization.

12831315804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356425449 (or 356425444 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 12831315804 in words is "twelve billion, eight hundred thirty-one million, three hundred fifteen thousand, eight hundred four".