231411424 has 12 divisors (see below), whose sum is σ = 455591304. Its totient is φ = 115705696.

The previous prime is 231411419. The next prime is 231411437. The reversal of 231411424 is 424114132.

It is a happy number.

231411424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231411395 and 231411404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3615772 + ... + 3615835.

It is an arithmetic number, because the mean of its divisors is an integer number (37965942).

Almost surely, 2^231411424 is an apocalyptic number.

It is an amenable number.

231411424 is a deficient number, since it is larger than the sum of its proper divisors (224179880).

231411424 is an equidigital number, since it uses as much as digits as its factorization.

231411424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231617 (or 7231609 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 231411424 is about 15212.2129882539. The cubic root of 231411424 is about 613.9433009710.

Adding to 231411424 its reverse (424114132), we get a palindrome (655525556).

The spelling of 231411424 in words is "two hundred thirty-one million, four hundred eleven thousand, four hundred twenty-four".