131131112013 has 12 divisors (see below), whose sum is σ = 206630843328. Its totient is φ = 79473401160.

The previous prime is 131131112011. The next prime is 131131112023. The reversal of 131131112013 is 310211131131.

It is not a de Polignac number, because 131131112013 - 2¹ = 131131112011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131131112011) 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, 662278245 + ... + 662278442.

It is an arithmetic number, because the mean of its divisors is an integer number (17219236944).

Almost surely, 2^131131112013 is an apocalyptic number.

It is an amenable number.

131131112013 is a deficient number, since it is larger than the sum of its proper divisors (75499731315).

131131112013 is a wasteful number, since it uses less digits than its factorization.

131131112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324556704 (or 1324556701 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 131131112013 its reverse (310211131131), we get a palindrome (441342243144).

The spelling of 131131112013 in words is "one hundred thirty-one billion, one hundred thirty-one million, one hundred twelve thousand, thirteen".