231504435400 has 48 divisors (see below), whose sum is σ = 615140360640. Its totient is φ = 79372948800.

The previous prime is 231504435391. The next prime is 231504435401. The reversal of 231504435400 is 4534405132.

It is not an unprimeable number, because it can be changed into a prime (231504435401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82678756 + ... + 82681555.

It is an arithmetic number, because the mean of its divisors is an integer number (12815424180).

Almost surely, 2^231504435400 is an apocalyptic number.

231504435400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231504435400 is an abundant number, since it is smaller than the sum of its proper divisors (383635925240).

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

231504435400 is a wasteful number, since it uses less digits than its factorization.

231504435400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165360334 (or 165360325 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 231504435400 in words is "two hundred thirty-one billion, five hundred four million, four hundred thirty-five thousand, four hundred".