315661656414344 has 8 divisors (see below), whose sum is σ = 591865605776910. Its totient is φ = 157830828207168.

The previous prime is 315661656414241. The next prime is 315661656414367. The reversal of 315661656414344 is 443414656166513.

It can be written as a sum of positive squares in only one way, i.e., 302706479965444 + 12955176448900 = 17398462^2 + 3599330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19728853525889 + ... + 19728853525904.

Almost surely, 2^{315661656414344} is an apocalyptic number.

It is an amenable number.

315661656414344 is a deficient number, since it is larger than the sum of its proper divisors (276203949362566).

315661656414344 is a wasteful number, since it uses less digits than its factorization.

315661656414344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39457707051799 (or 39457707051795 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 59.

The spelling of 315661656414344 in words is "three hundred fifteen trillion, six hundred sixty-one billion, six hundred fifty-six million, four hundred fourteen thousand, three hundred forty-four".