231234224 has 20 divisors (see below), whose sum is σ = 482479536. Its totient is φ = 106723392.

The previous prime is 231234209. The next prime is 231234229. The reversal of 231234224 is 422432132.

231234224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231234224.

It is not an unprimeable number, because it can be changed into a prime (231234229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555644 + ... + 556059.

Almost surely, 2^231234224 is an apocalyptic number.

It is an amenable number.

231234224 is an abundant number, since it is smaller than the sum of its proper divisors (251245312).

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

231234224 is a wasteful number, since it uses less digits than its factorization.

231234224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111724 (or 1111718 counting only the distinct ones).

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

The square root of 231234224 is about 15206.3876052138. The cubic root of 231234224 is about 613.7865548444.

Adding to 231234224 its reverse (422432132), we get a palindrome (653666356).

The spelling of 231234224 in words is "two hundred thirty-one million, two hundred thirty-four thousand, two hundred twenty-four".