131508397330871 has 8 divisors (see below), whose sum is σ = 143468254752384. Its totient is φ = 119549298004920.

The previous prime is 131508397330867. The next prime is 131508397330883. The reversal of 131508397330871 is 178033793805131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131508397330871 - 2² = 131508397330867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131508397330871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131508397330831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189161141 + ... + 189855086.

It is an arithmetic number, because the mean of its divisors is an integer number (17933531844048).

Almost surely, 2^{131508397330871} is an apocalyptic number.

131508397330871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131508397330871 is a deficient number, since it is larger than the sum of its proper divisors (11959857421513).

131508397330871 is a wasteful number, since it uses less digits than its factorization.

131508397330871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379047781.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 131508397330871 in words is "one hundred thirty-one trillion, five hundred eight billion, three hundred ninety-seven million, three hundred thirty thousand, eight hundred seventy-one".