316125134091 has 48 divisors (see below), whose sum is σ = 534749158944. Its totient is φ = 178146542592.

The previous prime is 316125134089. The next prime is 316125134099. The reversal of 316125134091 is 190431521613.

316125134091 is a `hidden beast` number, since 3 + 1 + 6 + 12 + 513 + 40 + 91 = 666.

It is not a de Polignac number, because 316125134091 - 2¹ = 316125134089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316125134099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2074201 + ... + 2221386.

It is an arithmetic number, because the mean of its divisors is an integer number (11140607478).

Almost surely, 2^316125134091 is an apocalyptic number.

316125134091 is a deficient number, since it is larger than the sum of its proper divisors (218624024853).

316125134091 is a wasteful number, since it uses less digits than its factorization.

316125134091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295660 (or 4295657 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 316125134091 in words is "three hundred sixteen billion, one hundred twenty-five million, one hundred thirty-four thousand, ninety-one".