31332122211313 has 48 divisors (see below), whose sum is σ = 39857042093184. Its totient is φ = 24355713795840.

The previous prime is 31332122211281. The next prime is 31332122211319. The reversal of 31332122211313 is 31311222123313.

It is not a de Polignac number, because 31332122211313 - 2⁵ = 31332122211281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31332122211319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497438020 + ... + 497501002.

It is an arithmetic number, because the mean of its divisors is an integer number (830355043608).

Almost surely, 2^{31332122211313} is an apocalyptic number.

It is an amenable number.

31332122211313 is a deficient number, since it is larger than the sum of its proper divisors (8524919881871).

31332122211313 is a wasteful number, since it uses less digits than its factorization.

31332122211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65222 (or 65215 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

Adding to 31332122211313 its reverse (31311222123313), we get a palindrome (62643344334626).

The spelling of 31332122211313 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred twenty-two million, two hundred eleven thousand, three hundred thirteen".