2131131302013 has 16 divisors (see below), whose sum is σ = 3247849443456. Its totient is φ = 1217635089600.

The previous prime is 2131131301987. The next prime is 2131131302029. The reversal of 2131131302013 is 3102031311312.

It is a happy number.

It is not a de Polignac number, because 2131131302013 - 2⁸ = 2131131301757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131131302513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6256206 + ... + 6588047.

It is an arithmetic number, because the mean of its divisors is an integer number (202990590216).

Almost surely, 2^{2131131302013} is an apocalyptic number.

It is an amenable number.

2131131302013 is a deficient number, since it is larger than the sum of its proper divisors (1116718141443).

2131131302013 is a wasteful number, since it uses less digits than its factorization.

2131131302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12852164.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2131131302013 its reverse (3102031311312), we get a palindrome (5233162613325).

The spelling of 2131131302013 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-one million, three hundred two thousand, thirteen".