31164135601 has 4 divisors (see below), whose sum is σ = 31303885312. Its totient is φ = 31024385892.

The previous prime is 31164135593. The next prime is 31164135617. The reversal of 31164135601 is 10653146113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31164135601 - 2³ = 31164135593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31164135001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69874521 + ... + 69874966.

It is an arithmetic number, because the mean of its divisors is an integer number (7825971328).

Almost surely, 2^31164135601 is an apocalyptic number.

It is an amenable number.

31164135601 is a deficient number, since it is larger than the sum of its proper divisors (139749711).

31164135601 is a wasteful number, since it uses less digits than its factorization.

31164135601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139749710.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 31164135601 in words is "thirty-one billion, one hundred sixty-four million, one hundred thirty-five thousand, six hundred one".