5231265313 has 16 divisors (see below), whose sum is σ = 5732204544. Its totient is φ = 4753831680.

The previous prime is 5231265293. The next prime is 5231265323. The reversal of 5231265313 is 3135621325.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5231265313 is a prime.

It is a super-2 number, since 2×5231265313² = 54732273549993975938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5231265323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50656 + ... + 114142.

It is an arithmetic number, because the mean of its divisors is an integer number (358262784).

Almost surely, 2^5231265313 is an apocalyptic number.

It is an amenable number.

5231265313 is a deficient number, since it is larger than the sum of its proper divisors (500939231).

5231265313 is a wasteful number, since it uses less digits than its factorization.

5231265313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63672.

The product of its digits is 16200, while the sum is 31.

The square root of 5231265313 is about 72327.4865663117. The cubic root of 5231265313 is about 1735.9434847184.

Adding to 5231265313 its reverse (3135621325), we get a palindrome (8366886638).

The spelling of 5231265313 in words is "five billion, two hundred thirty-one million, two hundred sixty-five thousand, three hundred thirteen".