131021932373 has 2 divisors, whose sum is σ = 131021932374. Its totient is φ = 131021932372.

The previous prime is 131021932333. The next prime is 131021932397. The reversal of 131021932373 is 373239120131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83086333009 + 47935599364 = 288247^2 + 218942^2 .

It is a cyclic number.

It is not a de Polignac number, because 131021932373 - 2⁸ = 131021932117 is a prime.

It is a super-2 number, since 2×131021932373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131021932333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510966186 + 65510966187.

It is an arithmetic number, because the mean of its divisors is an integer number (65510966187).

Almost surely, 2^131021932373 is an apocalyptic number.

It is an amenable number.

131021932373 is a deficient number, since it is larger than the sum of its proper divisors (1).

131021932373 is an equidigital number, since it uses as much as digits as its factorization.

131021932373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 131021932373 in words is "one hundred thirty-one billion, twenty-one million, nine hundred thirty-two thousand, three hundred seventy-three".