5231313 has 12 divisors (see below), whose sum is σ = 7741188. Its totient is φ = 3402240.

The previous prime is 5231311. The next prime is 5231329. The reversal of 5231313 is 3131325.

It can be written as a sum of positive squares in 2 ways, for example, as 3017169 + 2214144 = 1737^2 + 1488^2 .

It is not a de Polignac number, because 5231313 - 2¹ = 5231311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5231311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6720 + ... + 7457.

It is an arithmetic number, because the mean of its divisors is an integer number (645099).

Almost surely, 2^5231313 is an apocalyptic number.

It is an amenable number.

5231313 is a deficient number, since it is larger than the sum of its proper divisors (2509875).

5231313 is a wasteful number, since it uses less digits than its factorization.

5231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224 (or 14221 counting only the distinct ones).

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

The square root of 5231313 is about 2287.2063745976. The cubic root of 5231313 is about 173.5948759522.

Adding to 5231313 its reverse (3131325), we get a palindrome (8362638).

It can be divided in two parts, 52313 and 13, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 5231313 in words is "five million, two hundred thirty-one thousand, three hundred thirteen".