131022333973 has 2 divisors, whose sum is σ = 131022333974. Its totient is φ = 131022333972.

The previous prime is 131022333961. The next prime is 131022333997. The reversal of 131022333973 is 379333220131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121632142564 + 9390191409 = 348758^2 + 96903^2 .

It is a cyclic number.

It is not a de Polignac number, because 131022333973 - 2²¹ = 131020236821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131022333913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511166986 + 65511166987.

It is an arithmetic number, because the mean of its divisors is an integer number (65511166987).

Almost surely, 2^131022333973 is an apocalyptic number.

It is an amenable number.

131022333973 is a deficient number, since it is larger than the sum of its proper divisors (1).

131022333973 is an equidigital number, since it uses as much as digits as its factorization.

131022333973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 37.

The spelling of 131022333973 in words is "one hundred thirty-one billion, twenty-two million, three hundred thirty-three thousand, nine hundred seventy-three".