1313359331 has 2 divisors, whose sum is σ = 1313359332. Its totient is φ = 1313359330.

The previous prime is 1313359321. The next prime is 1313359351. The reversal of 1313359331 is 1339533131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313359331 - 2²² = 1309165027 is a prime.

It is a super-2 number, since 2×1313359331² = 3449825464649535122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1313359301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656679665 + 656679666.

It is an arithmetic number, because the mean of its divisors is an integer number (656679666).

Almost surely, 2^1313359331 is an apocalyptic number.

1313359331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313359331 is an equidigital number, since it uses as much as digits as its factorization.

1313359331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10935, while the sum is 32.

The square root of 1313359331 is about 36240.2998193999. The cubic root of 1313359331 is about 1095.1186824649.

The spelling of 1313359331 in words is "one billion, three hundred thirteen million, three hundred fifty-nine thousand, three hundred thirty-one".