2531613315 has 32 divisors (see below), whose sum is σ = 5050077696. Its totient is φ = 1052098560.

The previous prime is 2531613299. The next prime is 2531613353. The reversal of 2531613315 is 5133161352.

2531613315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2531613315 - 2⁴ = 2531613299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1094782 + ... + 1097091.

It is an arithmetic number, because the mean of its divisors is an integer number (157814928).

Almost surely, 2^2531613315 is an apocalyptic number.

2531613315 is a deficient number, since it is larger than the sum of its proper divisors (2518464381).

2531613315 is a wasteful number, since it uses less digits than its factorization.

2531613315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191899.

The product of its digits is 8100, while the sum is 30.

The square root of 2531613315 is about 50315.1400176925. The cubic root of 2531613315 is about 1362.9056451757.

Adding to 2531613315 its reverse (5133161352), we get a palindrome (7664774667).

The spelling of 2531613315 in words is "two billion, five hundred thirty-one million, six hundred thirteen thousand, three hundred fifteen".