131031324422137 has 2 divisors, whose sum is σ = 131031324422138. Its totient is φ = 131031324422136.

The previous prime is 131031324422069. The next prime is 131031324422143. The reversal of 131031324422137 is 731224423130131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123661272255481 + 7370052166656 = 11120309^2 + 2714784^2 .

It is a cyclic number.

It is not a de Polignac number, because 131031324422137 - 2¹¹ = 131031324420089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131031324422096 and 131031324422105.

It is not a weakly prime, because it can be changed into another prime (131031324422177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515662211068 + 65515662211069.

It is an arithmetic number, because the mean of its divisors is an integer number (65515662211069).

Almost surely, 2^{131031324422137} is an apocalyptic number.

It is an amenable number.

131031324422137 is a deficient number, since it is larger than the sum of its proper divisors (1).

131031324422137 is an equidigital number, since it uses as much as digits as its factorization.

131031324422137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

Adding to 131031324422137 its reverse (731224423130131), we get a palindrome (862255747552268).

The spelling of 131031324422137 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred twenty-four million, four hundred twenty-two thousand, one hundred thirty-seven".