231342424 has 32 divisors (see below), whose sum is σ = 446515200. Its totient is φ = 112321440.

The previous prime is 231342383. The next prime is 231342431. The reversal of 231342424 is 424243132.

It is a happy number.

231342424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35017 + ... + 41095.

It is an arithmetic number, because the mean of its divisors is an integer number (13953600).

Almost surely, 2^231342424 is an apocalyptic number.

It is an amenable number.

231342424 is a deficient number, since it is larger than the sum of its proper divisors (215172776).

231342424 is a wasteful number, since it uses less digits than its factorization.

231342424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223 (or 6219 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 231342424 is about 15209.9449045682. The cubic root of 231342424 is about 613.8822750313.

Adding to 231342424 its reverse (424243132), we get a palindrome (655585556).

The spelling of 231342424 in words is "two hundred thirty-one million, three hundred forty-two thousand, four hundred twenty-four".