313885659331 has 2 divisors, whose sum is σ = 313885659332. Its totient is φ = 313885659330.

The previous prime is 313885659323. The next prime is 313885659379. The reversal of 313885659331 is 133956588313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313885659331 - 2³ = 313885659323 is a prime.

It is a super-2 number, since 2×313885659331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313885759331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156942829665 + 156942829666.

It is an arithmetic number, because the mean of its divisors is an integer number (156942829666).

Almost surely, 2^313885659331 is an apocalyptic number.

313885659331 is a deficient number, since it is larger than the sum of its proper divisors (1).

313885659331 is an equidigital number, since it uses as much as digits as its factorization.

313885659331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 55.

The spelling of 313885659331 in words is "three hundred thirteen billion, eight hundred eighty-five million, six hundred fifty-nine thousand, three hundred thirty-one".