231372200 has 48 divisors (see below), whose sum is σ = 542108160. Its totient is φ = 91832000.

The previous prime is 231372181. The next prime is 231372209. The reversal of 231372200 is 2273132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (231372209) 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, 21785 + ... + 30615.

It is an arithmetic number, because the mean of its divisors is an integer number (11293920).

Almost surely, 2^231372200 is an apocalyptic number.

231372200 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 231372200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271054080).

231372200 is an abundant number, since it is smaller than the sum of its proper divisors (310735960).

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

231372200 is a wasteful number, since it uses less digits than its factorization.

231372200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978 (or 8969 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 231372200 is about 15210.9237063368. The cubic root of 231372200 is about 613.9086114235.

The spelling of 231372200 in words is "two hundred thirty-one million, three hundred seventy-two thousand, two hundred".