12312110313 has 6 divisors (see below), whose sum is σ = 17784159354. Its totient is φ = 8208073536.

The previous prime is 12312110303. The next prime is 12312110339. The reversal of 12312110313 is 31301121321.

It can be written as a sum of positive squares in only one way, i.e., 12267113049 + 44997264 = 110757^2 + 6708^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12312110313 is a prime.

It is a super-3 number, since 3×12312110313³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12312110303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 684006120 + ... + 684006137.

It is an arithmetic number, because the mean of its divisors is an integer number (2964026559).

Almost surely, 2^12312110313 is an apocalyptic number.

It is an amenable number.

12312110313 is a deficient number, since it is larger than the sum of its proper divisors (5472049041).

12312110313 is a wasteful number, since it uses less digits than its factorization.

12312110313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368012263 (or 1368012260 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12312110313 its reverse (31301121321), we get a palindrome (43613231634).

The spelling of 12312110313 in words is "twelve billion, three hundred twelve million, one hundred ten thousand, three hundred thirteen".