5231243220 has 48 divisors (see below), whose sum is σ = 16739979648. Its totient is φ = 1195712640.

The previous prime is 5231243197. The next prime is 5231243231. The reversal of 5231243220 is 223421325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6227251 + ... + 6228090.

It is an arithmetic number, because the mean of its divisors is an integer number (348749576).

Almost surely, 2^5231243220 is an apocalyptic number.

It is an amenable number.

5231243220 is an abundant number, since it is smaller than the sum of its proper divisors (11508736428).

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

5231243220 is a wasteful number, since it uses less digits than its factorization.

5231243220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12455360 (or 12455358 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 5231243220 is about 72327.3338372154. Note that the first 3 decimals coincide. The cubic root of 5231243220 is about 1735.9410409340.

Adding to 5231243220 its reverse (223421325), we get a palindrome (5454664545).

The spelling of 5231243220 in words is "five billion, two hundred thirty-one million, two hundred forty-three thousand, two hundred twenty".