131031022113 has 8 divisors (see below), whose sum is σ = 194120032800. Its totient is φ = 87354014724.

The previous prime is 131031022069. The next prime is 131031022163. The reversal of 131031022113 is 311220130131.

131031022113 is a `hidden beast` number, since 131 + 0 + 310 + 221 + 1 + 3 = 666.

It is not a de Polignac number, because 131031022113 - 2⁸ = 131031021857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131031022163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2426500383 + ... + 2426500436.

It is an arithmetic number, because the mean of its divisors is an integer number (24265004100).

Almost surely, 2^131031022113 is an apocalyptic number.

It is an amenable number.

131031022113 is a deficient number, since it is larger than the sum of its proper divisors (63089010687).

131031022113 is an equidigital number, since it uses as much as digits as its factorization.

131031022113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853000828 (or 4853000822 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131031022113 its reverse (311220130131), we get a palindrome (442251152244).

The spelling of 131031022113 in words is "one hundred thirty-one billion, thirty-one million, twenty-two thousand, one hundred thirteen".