313112320013 has 4 divisors (see below), whose sum is σ = 326725899168. Its totient is φ = 299498740860.

The previous prime is 313112320007. The next prime is 313112320063. The reversal of 313112320013 is 310023211313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313112320013 - 2¹² = 313112315917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313112320063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6806789543 + ... + 6806789588.

It is an arithmetic number, because the mean of its divisors is an integer number (81681474792).

Almost surely, 2^313112320013 is an apocalyptic number.

It is an amenable number.

313112320013 is a deficient number, since it is larger than the sum of its proper divisors (13613579155).

313112320013 is a wasteful number, since it uses less digits than its factorization.

313112320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13613579154.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313112320013 its reverse (310023211313), we get a palindrome (623135531326).

The spelling of 313112320013 in words is "three hundred thirteen billion, one hundred twelve million, three hundred twenty thousand, thirteen".