313326646623313 has 4 divisors (see below), whose sum is σ = 313346324253168. Its totient is φ = 313306968993460.

The previous prime is 313326646623269. The next prime is 313326646623343.

313326646623313 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313326646623313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313326646623343) 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, 9838791043 + ... + 9838822888.

It is an arithmetic number, because the mean of its divisors is an integer number (78336581063292).

Almost surely, 2^{313326646623313} is an apocalyptic number.

It is an amenable number.

313326646623313 is a deficient number, since it is larger than the sum of its proper divisors (19677629855).

313326646623313 is a wasteful number, since it uses less digits than its factorization.

313326646623313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19677629854.

The product of its digits is 15116544, while the sum is 52.

The spelling of 313326646623313 in words is "three hundred thirteen trillion, three hundred twenty-six billion, six hundred forty-six million, six hundred twenty-three thousand, three hundred thirteen".