2531313 has 24 divisors (see below), whose sum is σ = 3912480. Its totient is φ = 1572480.

The previous prime is 2531293. The next prime is 2531369. The reversal of 2531313 is 3131352.

It is not a de Polignac number, because 2531313 - 2¹⁰ = 2530289 is a prime.

2531313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2531393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19258 + ... + 19388.

It is an arithmetic number, because the mean of its divisors is an integer number (163020).

2^2531313 is an apocalyptic number.

It is an amenable number.

2531313 is a deficient number, since it is larger than the sum of its proper divisors (1381167).

2531313 is a wasteful number, since it uses less digits than its factorization.

2531313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 266 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 2531313 is about 1591.0100565364. The cubic root of 2531313 is about 136.2851751058.

Adding to 2531313 its reverse (3131352), we get a palindrome (5662665).

The spelling of 2531313 in words is "two million, five hundred thirty-one thousand, three hundred thirteen".