243331120 has 40 divisors (see below), whose sum is σ = 566682480. Its totient is φ = 97171200.

The previous prime is 243331097. The next prime is 243331147. The reversal of 243331120 is 21133342.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53911 + ... + 58249.

It is an arithmetic number, because the mean of its divisors is an integer number (14167062).

Almost surely, 2^243331120 is an apocalyptic number.

243331120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243331120 is an abundant number, since it is smaller than the sum of its proper divisors (323351360).

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

243331120 is a wasteful number, since it uses less digits than its factorization.

243331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 243331120 is about 15599.0743315108. The cubic root of 243331120 is about 624.3084575126.

Adding to 243331120 its reverse (21133342), we get a palindrome (264464462).

The spelling of 243331120 in words is "two hundred forty-three million, three hundred thirty-one thousand, one hundred twenty".