12313052519 has 4 divisors (see below), whose sum is σ = 13037349744. Its totient is φ = 11588755296.

The previous prime is 12313052503. The next prime is 12313052539. The reversal of 12313052519 is 91525031321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12313052519 - 2⁴ = 12313052503 is a prime.

It is a super-2 number, since 2×12313052519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313052539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362148587 + ... + 362148620.

It is an arithmetic number, because the mean of its divisors is an integer number (3259337436).

Almost surely, 2^12313052519 is an apocalyptic number.

12313052519 is a deficient number, since it is larger than the sum of its proper divisors (724297225).

12313052519 is an equidigital number, since it uses as much as digits as its factorization.

12313052519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724297224.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 12313052519 in words is "twelve billion, three hundred thirteen million, fifty-two thousand, five hundred nineteen".