231120344 has 48 divisors (see below), whose sum is σ = 536307120. Its totient is φ = 91428480.

The previous prime is 231120341. The next prime is 231120377. The reversal of 231120344 is 443021132.

231120344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231120344² = 106833226821356672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231120341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2747 + ... + 21674.

It is an arithmetic number, because the mean of its divisors is an integer number (11173065).

Almost surely, 2^231120344 is an apocalyptic number.

It is an amenable number.

231120344 is an abundant number, since it is smaller than the sum of its proper divisors (305186776).

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

231120344 is a wasteful number, since it uses less digits than its factorization.

231120344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24460 (or 24443 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 231120344 is about 15202.6426650106. The cubic root of 231120344 is about 613.6857775323.

Adding to 231120344 its reverse (443021132), we get a palindrome (674141476).

The spelling of 231120344 in words is "two hundred thirty-one million, one hundred twenty thousand, three hundred forty-four".