231054240 has 48 divisors (see below), whose sum is σ = 727822368. Its totient is φ = 61614336.

The previous prime is 231054227. The next prime is 231054247. The reversal of 231054240 is 42450132.

231054240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (231054247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240202 + ... + 241161.

It is an arithmetic number, because the mean of its divisors is an integer number (15162966).

Almost surely, 2^231054240 is an apocalyptic number.

231054240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231054240 is an abundant number, since it is smaller than the sum of its proper divisors (496768128).

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

231054240 is a wasteful number, since it uses less digits than its factorization.

231054240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481381 (or 481373 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 231054240 is about 15200.4684138351. The cubic root of 231054240 is about 613.6272640726.

The spelling of 231054240 in words is "two hundred thirty-one million, fifty-four thousand, two hundred forty".