12313102221311 has 4 divisors (see below), whose sum is σ = 12326187346824. Its totient is φ = 12300017095800.

The previous prime is 12313102221289. The next prime is 12313102221323. The reversal of 12313102221311 is 11312220131321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12313102221311 - 2³⁸ = 12038224314367 is a prime.

It is a super-2 number, since 2×12313102221311² (a number of 27 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 (12313102226311) 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, 6542561345 + ... + 6542563226.

It is an arithmetic number, because the mean of its divisors is an integer number (3081546836706).

Almost surely, 2^{12313102221311} is an apocalyptic number.

12313102221311 is a deficient number, since it is larger than the sum of its proper divisors (13085125513).

12313102221311 is an equidigital number, since it uses as much as digits as its factorization.

12313102221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085125512.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12313102221311 its reverse (11312220131321), we get a palindrome (23625322352632).

The spelling of 12313102221311 in words is "twelve trillion, three hundred thirteen billion, one hundred two million, two hundred twenty-one thousand, three hundred eleven".