12313052539 has 2 divisors, whose sum is σ = 12313052540. Its totient is φ = 12313052538.

The previous prime is 12313052503. The next prime is 12313052561. The reversal of 12313052539 is 93525031321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12313052539 - 2⁹ = 12313052027 is a prime.

It is a super-2 number, since 2×12313052539² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12313058539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156526269 + 6156526270.

It is an arithmetic number, because the mean of its divisors is an integer number (6156526270).

Almost surely, 2^12313052539 is an apocalyptic number.

12313052539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313052539 is an equidigital number, since it uses as much as digits as its factorization.

12313052539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 12313052539 in words is "twelve billion, three hundred thirteen million, fifty-two thousand, five hundred thirty-nine".