5113443231 has 24 divisors (see below), whose sum is σ = 7958031536. Its totient is φ = 3145236480.

The previous prime is 5113443227. The next prime is 5113443259. The reversal of 5113443231 is 1323443115.

It is a happy number.

It is not a de Polignac number, because 5113443231 - 2² = 5113443227 is a prime.

It is a super-2 number, since 2×5113443231² = 52294603353319438722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5113443195 and 5113443204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5113443221) 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, 268191 + ... + 286623.

Almost surely, 2^5113443231 is an apocalyptic number.

5113443231 is a deficient number, since it is larger than the sum of its proper divisors (2844588305).

5113443231 is a wasteful number, since it uses less digits than its factorization.

5113443231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20823 (or 20820 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 5113443231 is about 71508.3437858828. The cubic root of 5113443231 is about 1722.8117017679.

Adding to 5113443231 its reverse (1323443115), we get a palindrome (6436886346).

The spelling of 5113443231 in words is "five billion, one hundred thirteen million, four hundred forty-three thousand, two hundred thirty-one".