231094240 has 48 divisors (see below), whose sum is σ = 587962368. Its totient is φ = 85326336.

The previous prime is 231094219. The next prime is 231094247. The reversal of 231094240 is 42490132.

It is a super-2 number, since 2×231094240² = 106809095522355200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231094247) 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, 53472 + ... + 57631.

It is an arithmetic number, because the mean of its divisors is an integer number (12249216).

Almost surely, 2^231094240 is an apocalyptic number.

231094240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231094240 is an abundant number, since it is smaller than the sum of its proper divisors (356868128).

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

231094240 is a wasteful number, since it uses less digits than its factorization.

231094240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111131 (or 111123 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 231094240 is about 15201.7841058213. The cubic root of 231094240 is about 613.6626723159.

The spelling of 231094240 in words is "two hundred thirty-one million, ninety-four thousand, two hundred forty".