231941040 has 80 divisors (see below), whose sum is σ = 723168000. Its totient is φ = 61494016.

The previous prime is 231941033. The next prime is 231941057. The reversal of 231941040 is 40149132.

231941040 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 (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 231941040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40261 + ... + 45659.

It is an arithmetic number, because the mean of its divisors is an integer number (9039600).

Almost surely, 2^231941040 is an apocalyptic number.

231941040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231941040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361584000).

231941040 is an abundant number, since it is smaller than the sum of its proper divisors (491226960).

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

231941040 is a wasteful number, since it uses less digits than its factorization.

231941040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5588 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 231941040 is about 15229.6106319236. The cubic root of 231941040 is about 614.4113079109.

The spelling of 231941040 in words is "two hundred thirty-one million, nine hundred forty-one thousand, forty".