131222332420937 has 2 divisors, whose sum is σ = 131222332420938. Its totient is φ = 131222332420936.

The previous prime is 131222332420903. The next prime is 131222332420979. The reversal of 131222332420937 is 739024233222131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88901439707536 + 42320892713401 = 9428756^2 + 6505451^2 .

It is a cyclic number.

It is not a de Polignac number, because 131222332420937 - 2²⁰ = 131222331372361 is a prime.

It is a super-3 number, since 3×131222332420937³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (131222332420237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65611166210468 + 65611166210469.

It is an arithmetic number, because the mean of its divisors is an integer number (65611166210469).

Almost surely, 2^{131222332420937} is an apocalyptic number.

It is an amenable number.

131222332420937 is a deficient number, since it is larger than the sum of its proper divisors (1).

131222332420937 is an equidigital number, since it uses as much as digits as its factorization.

131222332420937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 131222332420937 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred thirty-two million, four hundred twenty thousand, nine hundred thirty-seven".