231404200 has 48 divisors (see below), whose sum is σ = 539028000. Its totient is φ = 92387520.

The previous prime is 231404197. The next prime is 231404207. The reversal of 231404200 is 2404132.

It is not an unprimeable number, because it can be changed into a prime (231404207) 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, 183171 + ... + 184429.

It is an arithmetic number, because the mean of its divisors is an integer number (11229750).

Almost surely, 2^231404200 is an apocalyptic number.

231404200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231404200 is an abundant number, since it is smaller than the sum of its proper divisors (307623800).

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

231404200 is a wasteful number, since it uses less digits than its factorization.

231404200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 231404200 is about 15211.9755456022. The cubic root of 231404200 is about 613.9369123890.

Adding to 231404200 its reverse (2404132), we get a palindrome (233808332).

The spelling of 231404200 in words is "two hundred thirty-one million, four hundred four thousand, two hundred".