131310222113231 has 64 divisors (see below), whose sum is σ = 170427739115520. Its totient is φ = 98454881341440.

The previous prime is 131310222113207. The next prime is 131310222113237. The reversal of 131310222113231 is 132311222013131.

It is not a de Polignac number, because 131310222113231 - 2⁶ = 131310222113167 is a prime.

It is a super-2 number, since 2×131310222113231² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131310222113231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310222113237) 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, 2076314771 + ... + 2076378011.

It is an arithmetic number, because the mean of its divisors is an integer number (2662933423680).

Almost surely, 2^{131310222113231} is an apocalyptic number.

131310222113231 is a deficient number, since it is larger than the sum of its proper divisors (39117517002289).

131310222113231 is a wasteful number, since it uses less digits than its factorization.

131310222113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80664.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 131310222113231 its reverse (132311222013131), we get a palindrome (263621444126362).

The spelling of 131310222113231 in words is "one hundred thirty-one trillion, three hundred ten billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred thirty-one".