315656656513 has 8 divisors (see below), whose sum is σ = 344411539776. Its totient is φ = 286911577200.

The previous prime is 315656656433. The next prime is 315656656543.

315656656513 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315656656513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315656656543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2383581 + ... + 2512522.

It is an arithmetic number, because the mean of its divisors is an integer number (43051442472).

Almost surely, 2^315656656513 is an apocalyptic number.

It is an amenable number.

315656656513 is a deficient number, since it is larger than the sum of its proper divisors (28754883263).

315656656513 is a wasteful number, since it uses less digits than its factorization.

315656656513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901975.

The product of its digits is 7290000, while the sum is 52.

The spelling of 315656656513 in words is "three hundred fifteen billion, six hundred fifty-six million, six hundred fifty-six thousand, five hundred thirteen".