5318431232 has 40 divisors (see below), whose sum is σ = 11251580076. Its totient is φ = 2502787072.

The previous prime is 5318431213. The next prime is 5318431247. The reversal of 5318431232 is 2321348135.

It can be written as a sum of positive squares in 2 ways, for example, as 5003581696 + 314849536 = 70736^2 + 17744^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296813 + ... + 314220.

Almost surely, 2^5318431232 is an apocalyptic number.

It is an amenable number.

5318431232 is an abundant number, since it is smaller than the sum of its proper divisors (5933148844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5318431232 is an equidigital number, since it uses as much as digits as its factorization.

5318431232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611068 (or 611052 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 5318431232 is about 72927.5752510667. The cubic root of 5318431232 is about 1745.5321384277.

Adding to 5318431232 its reverse (2321348135), we get a palindrome (7639779367).

The spelling of 5318431232 in words is "five billion, three hundred eighteen million, four hundred thirty-one thousand, two hundred thirty-two".