313211121323331 has 64 divisors (see below), whose sum is σ = 524329121894400. Its totient is φ = 161563932547200.

The previous prime is 313211121323249. The next prime is 313211121323339. The reversal of 313211121323331 is 133323121112313.

It is not a de Polignac number, because 313211121323331 - 2⁹ = 313211121322819 is a prime.

It is a super-2 number, since 2×313211121323331² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313211121323339) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23091105 + ... + 34053213.

It is an arithmetic number, because the mean of its divisors is an integer number (8192642529600).

Almost surely, 2^{313211121323331} is an apocalyptic number.

313211121323331 is a deficient number, since it is larger than the sum of its proper divisors (211118000571069).

313211121323331 is a wasteful number, since it uses less digits than its factorization.

313211121323331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10963000.

The product of its digits is 5832, while the sum is 30.

Adding to 313211121323331 its reverse (133323121112313), we get a palindrome (446534242435644).

It can be divided in two parts, 3132111 and 21323331, that added together give a palindrome (24455442).

The spelling of 313211121323331 in words is "three hundred thirteen trillion, two hundred eleven billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred thirty-one".