3157313560520 has 64 divisors (see below), whose sum is σ = 8118974666880. Its totient is φ = 1082485057536.

The previous prime is 3157313560507. The next prime is 3157313560543. The reversal of 3157313560520 is 250653137513.

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, 18953432 + ... + 19119288.

It is an arithmetic number, because the mean of its divisors is an integer number (126858979170).

Almost surely, 2^{3157313560520} is an apocalyptic number.

It is an amenable number.

3157313560520 is an abundant number, since it is smaller than the sum of its proper divisors (4961661106360).

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

3157313560520 is a wasteful number, since it uses less digits than its factorization.

3157313560520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233862 (or 233858 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 41.

The spelling of 3157313560520 in words is "three trillion, one hundred fifty-seven billion, three hundred thirteen million, five hundred sixty thousand, five hundred twenty".