231243254 has 16 divisors (see below), whose sum is σ = 378632016. Its totient is φ = 105045600.

The previous prime is 231243223. The next prime is 231243263. The reversal of 231243254 is 452342132.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65084 + ... + 68544.

It is an arithmetic number, because the mean of its divisors is an integer number (23664501).

Almost surely, 2^231243254 is an apocalyptic number.

231243254 is a deficient number, since it is larger than the sum of its proper divisors (147388762).

231243254 is a wasteful number, since it uses less digits than its factorization.

231243254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511.

The product of its digits is 5760, while the sum is 26.

The square root of 231243254 is about 15206.6845170142. The cubic root of 231243254 is about 613.7945444640.

Adding to 231243254 its reverse (452342132), we get a palindrome (683585386).

The spelling of 231243254 in words is "two hundred thirty-one million, two hundred forty-three thousand, two hundred fifty-four".