12313111342313 has 4 divisors (see below), whose sum is σ = 12313150013268. Its totient is φ = 12313072671360.

The previous prime is 12313111342297. The next prime is 12313111342321. The reversal of 12313111342313 is 31324311131321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6083854103209 + 6229257239104 = 2466547^2 + 2495848^2 .

It is a cyclic number.

It is not a de Polignac number, because 12313111342313 - 2⁴ = 12313111342297 is a prime.

It is a super-2 number, since 2×12313111342313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313111345313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18853868 + ... + 19496013.

It is an arithmetic number, because the mean of its divisors is an integer number (3078287503317).

Almost surely, 2^{12313111342313} is an apocalyptic number.

It is an amenable number.

12313111342313 is a deficient number, since it is larger than the sum of its proper divisors (38670955).

12313111342313 is an equidigital number, since it uses as much as digits as its factorization.

12313111342313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38670954.

The product of its digits is 3888, while the sum is 29.

Adding to 12313111342313 its reverse (31324311131321), we get a palindrome (43637422473634).

The spelling of 12313111342313 in words is "twelve trillion, three hundred thirteen billion, one hundred eleven million, three hundred forty-two thousand, three hundred thirteen".