231040744 has 32 divisors (see below), whose sum is σ = 500385600. Its totient is φ = 98840320.

The previous prime is 231040739. The next prime is 231040757. The reversal of 231040744 is 447040132.

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, 75724 + ... + 78715.

It is an arithmetic number, because the mean of its divisors is an integer number (15637050).

Almost surely, 2^231040744 is an apocalyptic number.

It is an amenable number.

231040744 is an abundant number, since it is smaller than the sum of its proper divisors (269344856).

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

231040744 is a wasteful number, since it uses less digits than its factorization.

231040744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154473 (or 154469 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 231040744 is about 15200.0244736645. The cubic root of 231040744 is about 613.6153164093.

Adding to 231040744 its reverse (447040132), we get a palindrome (678080876).

The spelling of 231040744 in words is "two hundred thirty-one million, forty thousand, seven hundred forty-four".