31032330112131 has 16 divisors (see below), whose sum is σ = 41387306782080. Its totient is φ = 20682787207680.

The previous prime is 31032330112079. The next prime is 31032330112163. The reversal of 31032330112131 is 13121103323013.

It is not a de Polignac number, because 31032330112131 - 2²⁵ = 31032296557699 is a prime.

It is a super-2 number, since 2×31032330112131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31032330112631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388160160 + ... + 388240098.

It is an arithmetic number, because the mean of its divisors is an integer number (2586706673880).

Almost surely, 2^{31032330112131} is an apocalyptic number.

31032330112131 is a deficient number, since it is larger than the sum of its proper divisors (10354976669949).

31032330112131 is a wasteful number, since it uses less digits than its factorization.

31032330112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112306.

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

Adding to 31032330112131 its reverse (13121103323013), we get a palindrome (44153433435144).

The spelling of 31032330112131 in words is "thirty-one trillion, thirty-two billion, three hundred thirty million, one hundred twelve thousand, one hundred thirty-one".