5431543320 has 64 divisors (see below), whose sum is σ = 18622437120. Its totient is φ = 1241495424.

The previous prime is 5431543301. The next prime is 5431543321. The reversal of 5431543320 is 233451345.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431543321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3232222 + ... + 3233901.

It is an arithmetic number, because the mean of its divisors is an integer number (290975580).

Almost surely, 2^5431543320 is an apocalyptic number.

It is an amenable number.

5431543320 is an abundant number, since it is smaller than the sum of its proper divisors (13190893800).

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

5431543320 is a wasteful number, since it uses less digits than its factorization.

5431543320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466144 (or 6466140 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 5431543320 is about 73699.0048779493. The cubic root of 5431543320 is about 1757.8200584358.

Adding to 5431543320 its reverse (233451345), we get a palindrome (5664994665).

The spelling of 5431543320 in words is "five billion, four hundred thirty-one million, five hundred forty-three thousand, three hundred twenty".