313113122313 has 4 divisors (see below), whose sum is σ = 417484163088. Its totient is φ = 208742081540.

The previous prime is 313113122297. The next prime is 313113122321. The reversal of 313113122313 is 313221311313.

313113122313 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 313113122313 - 2⁴ = 313113122297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313113121313) 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, 52185520383 + ... + 52185520388.

It is an arithmetic number, because the mean of its divisors is an integer number (104371040772).

Almost surely, 2^313113122313 is an apocalyptic number.

It is an amenable number.

313113122313 is a deficient number, since it is larger than the sum of its proper divisors (104371040775).

313113122313 is a wasteful number, since it uses less digits than its factorization.

313113122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104371040774.

The product of its digits is 972, while the sum is 24.

Adding to 313113122313 its reverse (313221311313), we get a palindrome (626334433626).

The spelling of 313113122313 in words is "three hundred thirteen billion, one hundred thirteen million, one hundred twenty-two thousand, three hundred thirteen".