313122322131 has 16 divisors (see below), whose sum is σ = 428798498304. Its totient is φ = 203097664224.

The previous prime is 313122322129. The next prime is 313122322141. The reversal of 313122322131 is 131223221313.

It is not a de Polignac number, because 313122322131 - 2¹ = 313122322129 is a prime.

It is a super-2 number, since 2×313122322131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313122322141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3459256 + ... + 3548618.

It is an arithmetic number, because the mean of its divisors is an integer number (26799906144).

Almost surely, 2^313122322131 is an apocalyptic number.

313122322131 is a deficient number, since it is larger than the sum of its proper divisors (115676176173).

313122322131 is a wasteful number, since it uses less digits than its factorization.

313122322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120970.

The product of its digits is 1296, while the sum is 24.

Adding to 313122322131 its reverse (131223221313), we get a palindrome (444345543444).

It can be divided in two parts, 3 and 13122322131, that multiplied together give a palindrome (39366966393).

The spelling of 313122322131 in words is "three hundred thirteen billion, one hundred twenty-two million, three hundred twenty-two thousand, one hundred thirty-one".