131303122020971 has 2 divisors, whose sum is σ = 131303122020972. Its totient is φ = 131303122020970.

The previous prime is 131303122020949. The next prime is 131303122021007. The reversal of 131303122020971 is 179020221303131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131303122020971 - 2²² = 131303117826667 is a prime.

It is not a weakly prime, because it can be changed into another prime (131303122020271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651561010485 + 65651561010486.

It is an arithmetic number, because the mean of its divisors is an integer number (65651561010486).

Almost surely, 2^{131303122020971} is an apocalyptic number.

131303122020971 is a deficient number, since it is larger than the sum of its proper divisors (1).

131303122020971 is an equidigital number, since it uses as much as digits as its factorization.

131303122020971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 131303122020971 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twenty-two million, twenty thousand, nine hundred seventy-one".