131085295816 has 32 divisors (see below), whose sum is σ = 248281692480. Its totient is φ = 64877176000.

The previous prime is 131085295727. The next prime is 131085295867. The reversal of 131085295816 is 618592580131.

It is a self number, because there is not a number n which added to its sum of digits gives 131085295816.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3529455 + ... + 3566401.

It is an arithmetic number, because the mean of its divisors is an integer number (7758802890).

Almost surely, 2^131085295816 is an apocalyptic number.

It is an amenable number.

131085295816 is a deficient number, since it is larger than the sum of its proper divisors (117196396664).

131085295816 is a wasteful number, since it uses less digits than its factorization.

131085295816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41445 (or 41441 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 49.

The spelling of 131085295816 in words is "one hundred thirty-one billion, eighty-five million, two hundred ninety-five thousand, eight hundred sixteen".