131017467393 has 12 divisors (see below), whose sum is σ = 189441168228. Its totient is φ = 87255571200.

The previous prime is 131017467389. The next prime is 131017467403. The reversal of 131017467393 is 393764710131.

131017467393 is a `hidden beast` number, since 1 + 31 + 0 + 174 + 67 + 393 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71143292529 + 59874174864 = 266727^2 + 244692^2 .

It is not a de Polignac number, because 131017467393 - 2² = 131017467389 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131017467353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7441308 + ... + 7458893.

It is an arithmetic number, because the mean of its divisors is an integer number (15786764019).

Almost surely, 2^131017467393 is an apocalyptic number.

It is an amenable number.

131017467393 is a deficient number, since it is larger than the sum of its proper divisors (58423700835).

131017467393 is a wasteful number, since it uses less digits than its factorization.

131017467393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14901184 (or 14901181 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The spelling of 131017467393 in words is "one hundred thirty-one billion, seventeen million, four hundred sixty-seven thousand, three hundred ninety-three".