231344204 has 48 divisors (see below), whose sum is σ = 500420928. Its totient is φ = 91127808.

The previous prime is 231344203. The next prime is 231344221. The reversal of 231344204 is 402443132.

It is a self number, because there is not a number n which added to its sum of digits gives 231344204.

It is not an unprimeable number, because it can be changed into a prime (231344203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92312 + ... + 94784.

It is an arithmetic number, because the mean of its divisors is an integer number (10425436).

Almost surely, 2^231344204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231344204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250210464).

231344204 is an abundant number, since it is smaller than the sum of its proper divisors (269076724).

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

231344204 is a wasteful number, since it uses less digits than its factorization.

231344204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 231344204 is about 15210.0034188030. The cubic root of 231344204 is about 613.8838494761.

Adding to 231344204 its reverse (402443132), we get a palindrome (633787336).

The spelling of 231344204 in words is "two hundred thirty-one million, three hundred forty-four thousand, two hundred four".