313657756313 has 4 divisors (see below), whose sum is σ = 342172097808. Its totient is φ = 285143414820.

The previous prime is 313657756303. The next prime is 313657756327.

313657756313 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 313657756313 - 2³⁴ = 296477887129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313657756303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14257170731 + ... + 14257170752.

It is an arithmetic number, because the mean of its divisors is an integer number (85543024452).

Almost surely, 2^313657756313 is an apocalyptic number.

It is an amenable number.

313657756313 is a deficient number, since it is larger than the sum of its proper divisors (28514341495).

313657756313 is a wasteful number, since it uses less digits than its factorization.

313657756313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28514341494.

The product of its digits is 3572100, while the sum is 50.

The spelling of 313657756313 in words is "three hundred thirteen billion, six hundred fifty-seven million, seven hundred fifty-six thousand, three hundred thirteen".