313012330131 has 4 divisors (see below), whose sum is σ = 417349773512. Its totient is φ = 208674886752.

The previous prime is 313012330079. The next prime is 313012330133. The reversal of 313012330131 is 131033210313.

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

It is not a de Polignac number, because 313012330131 - 2¹⁰ = 313012329107 is a prime.

It is a super-2 number, since 2×313012330131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313012330098 and 313012330107.

It is not an unprimeable number, because it can be changed into a prime (313012330133) 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, 52168721686 + ... + 52168721691.

It is an arithmetic number, because the mean of its divisors is an integer number (104337443378).

Almost surely, 2^313012330131 is an apocalyptic number.

313012330131 is a deficient number, since it is larger than the sum of its proper divisors (104337443381).

313012330131 is a wasteful number, since it uses less digits than its factorization.

313012330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104337443380.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 313012330131 its reverse (131033210313), we get a palindrome (444045540444).

The spelling of 313012330131 in words is "three hundred thirteen billion, twelve million, three hundred thirty thousand, one hundred thirty-one".