1313560331 has 2 divisors, whose sum is σ = 1313560332. Its totient is φ = 1313560330.

The previous prime is 1313560319. The next prime is 1313560349. The reversal of 1313560331 is 1330653131.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1330653131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313560331 - 2²⁶ = 1246451467 is a prime.

It is a super-2 number, since 2×1313560331² = 3450881486353659122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313560331.

It is not a weakly prime, because it can be changed into another prime (1313560361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656780165 + 656780166.

It is an arithmetic number, because the mean of its divisors is an integer number (656780166).

Almost surely, 2^1313560331 is an apocalyptic number.

1313560331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313560331 is an equidigital number, since it uses as much as digits as its factorization.

1313560331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 1313560331 is about 36243.0728691705. The cubic root of 1313560331 is about 1095.1745462390.

The spelling of 1313560331 in words is "one billion, three hundred thirteen million, five hundred sixty thousand, three hundred thirty-one".