131323023287 has 2 divisors, whose sum is σ = 131323023288. Its totient is φ = 131323023286.

The previous prime is 131323023259. The next prime is 131323023317. The reversal of 131323023287 is 782320323131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131323023287 - 2²⁰ = 131321974711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131323026287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65661511643 + 65661511644.

It is an arithmetic number, because the mean of its divisors is an integer number (65661511644).

Almost surely, 2^131323023287 is an apocalyptic number.

131323023287 is a deficient number, since it is larger than the sum of its proper divisors (1).

131323023287 is an equidigital number, since it uses as much as digits as its factorization.

131323023287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 131323023287 in words is "one hundred thirty-one billion, three hundred twenty-three million, twenty-three thousand, two hundred eighty-seven".