2513431131 has 16 divisors (see below), whose sum is σ = 3649267200. Its totient is φ = 1532690208.

The previous prime is 2513431097. The next prime is 2513431139. The reversal of 2513431131 is 1311343152.

It is not a de Polignac number, because 2513431131 - 2²⁶ = 2446322267 is a prime.

It is a super-2 number, since 2×2513431131² = 12634672100559878322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2513431139) 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, 758611 + ... + 761916.

It is an arithmetic number, because the mean of its divisors is an integer number (228079200).

Almost surely, 2^2513431131 is an apocalyptic number.

2513431131 is a deficient number, since it is larger than the sum of its proper divisors (1135836069).

2513431131 is a wasteful number, since it uses less digits than its factorization.

2513431131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520578.

The product of its digits is 1080, while the sum is 24.

The square root of 2513431131 is about 50134.1313976816. The cubic root of 2513431131 is about 1359.6349818766.

Adding to 2513431131 its reverse (1311343152), we get a palindrome (3824774283).

It can be divided in two parts, 25134 and 31131, that added together give a palindrome (56265).

The spelling of 2513431131 in words is "two billion, five hundred thirteen million, four hundred thirty-one thousand, one hundred thirty-one".