231000200 has 24 divisors (see below), whose sum is σ = 537075930. Its totient is φ = 92400000.

The previous prime is 231000193. The next prime is 231000239. The reversal of 231000200 is 2000132.

It can be written as a sum of positive squares in 3 ways, for example, as 121044004 + 109956196 = 11002^2 + 10486^2 .

It is a super-2 number, since 2×231000200² = 106722184800080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577301 + ... + 577700.

Almost surely, 2^231000200 is an apocalyptic number.

231000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231000200 is an abundant number, since it is smaller than the sum of its proper divisors (306075730).

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

231000200 is a wasteful number, since it uses less digits than its factorization.

231000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155017 (or 1155008 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 231000200 is about 15198.6907330862. The cubic root of 231000200 is about 613.5794210453.

Adding to 231000200 its reverse (2000132), we get a palindrome (233000332).

The spelling of 231000200 in words is "two hundred thirty-one million, two hundred", and thus it is an aban number.