131214323291 has 2 divisors, whose sum is σ = 131214323292. Its totient is φ = 131214323290.

The previous prime is 131214323287. The next prime is 131214323321. The reversal of 131214323291 is 192323412131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131214323291 - 2² = 131214323287 is a prime.

It is not a weakly prime, because it can be changed into another prime (131214323491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65607161645 + 65607161646.

It is an arithmetic number, because the mean of its divisors is an integer number (65607161646).

Almost surely, 2^131214323291 is an apocalyptic number.

131214323291 is a deficient number, since it is larger than the sum of its proper divisors (1).

131214323291 is an equidigital number, since it uses as much as digits as its factorization.

131214323291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The spelling of 131214323291 in words is "one hundred thirty-one billion, two hundred fourteen million, three hundred twenty-three thousand, two hundred ninety-one".