11567316931 has 2 divisors, whose sum is σ = 11567316932. Its totient is φ = 11567316930.

The previous prime is 11567316923. The next prime is 11567316941. The reversal of 11567316931 is 13961376511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11567316931 - 2³ = 11567316923 is a prime.

It is a super-2 number, since 2×11567316931² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11567316941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5783658465 + 5783658466.

It is an arithmetic number, because the mean of its divisors is an integer number (5783658466).

Almost surely, 2^11567316931 is an apocalyptic number.

11567316931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11567316931 is an equidigital number, since it uses as much as digits as its factorization.

11567316931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 43.

The spelling of 11567316931 in words is "eleven billion, five hundred sixty-seven million, three hundred sixteen thousand, nine hundred thirty-one".