131234023140091 has 2 divisors, whose sum is σ = 131234023140092. Its totient is φ = 131234023140090.

The previous prime is 131234023140071. The next prime is 131234023140133. The reversal of 131234023140091 is 190041320432131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131234023140091 - 2¹⁵ = 131234023107323 is a prime.

It is a super-2 number, since 2×131234023140091² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131234023140001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65617011570045 + 65617011570046.

It is an arithmetic number, because the mean of its divisors is an integer number (65617011570046).

Almost surely, 2^{131234023140091} is an apocalyptic number.

131234023140091 is a deficient number, since it is larger than the sum of its proper divisors (1).

131234023140091 is an equidigital number, since it uses as much as digits as its factorization.

131234023140091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 131234023140091 in words is "one hundred thirty-one trillion, two hundred thirty-four billion, twenty-three million, one hundred forty thousand, ninety-one".