201331130013 has 32 divisors (see below), whose sum is σ = 326006307200. Its totient is φ = 122046870528.

The previous prime is 201331129969. The next prime is 201331130023. The reversal of 201331130013 is 310031133102.

It is a happy number.

201331130013 is a `hidden beast` number, since 20 + 1 + 331 + 1 + 300 + 13 = 666.

It is not a de Polignac number, because 201331130013 - 2²⁰ = 201330081437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201331130023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4257028 + ... + 4304061.

It is an arithmetic number, because the mean of its divisors is an integer number (10187697100).

Almost surely, 2^201331130013 is an apocalyptic number.

It is an amenable number.

201331130013 is a deficient number, since it is larger than the sum of its proper divisors (124675177187).

201331130013 is a wasteful number, since it uses less digits than its factorization.

201331130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561178 (or 8561172 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 201331130013 its reverse (310031133102), we get a palindrome (511362263115).

The spelling of 201331130013 in words is "two hundred one billion, three hundred thirty-one million, one hundred thirty thousand, thirteen".