231342032040 has 96 divisors (see below), whose sum is σ = 807336499680. Its totient is φ = 52878177408.

The previous prime is 231342032029. The next prime is 231342032041. The reversal of 231342032040 is 40230243132.

231342032040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231342032040.

It is not an unprimeable number, because it can be changed into a prime (231342032041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19666062 + ... + 19677821.

It is an arithmetic number, because the mean of its divisors is an integer number (8409755205).

Almost surely, 2^231342032040 is an apocalyptic number.

231342032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231342032040 is an abundant number, since it is smaller than the sum of its proper divisors (575994467640).

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

231342032040 is a wasteful number, since it uses less digits than its factorization.

231342032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39343911 (or 39343900 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 231342032040 its reverse (40230243132), we get a palindrome (271572275172).

The spelling of 231342032040 in words is "two hundred thirty-one billion, three hundred forty-two million, thirty-two thousand, forty".