200311230 has 64 divisors (see below), whose sum is σ = 551162880. Its totient is φ = 45640704.

The previous prime is 200311217. The next prime is 200311231. The reversal of 200311230 is 32113002.

It is a happy number.

It is a super-2 number, since 2×200311230² = 80249177728225800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200311231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74062 + ... + 76718.

It is an arithmetic number, because the mean of its divisors is an integer number (8611920).

Almost surely, 2^200311230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200311230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275581440).

200311230 is an abundant number, since it is smaller than the sum of its proper divisors (350851650).

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

200311230 is a wasteful number, since it uses less digits than its factorization.

200311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 200311230 is about 14153.1349884045. The cubic root of 200311230 is about 585.1067377740.

Adding to 200311230 its reverse (32113002), we get a palindrome (232424232).

The spelling of 200311230 in words is "two hundred million, three hundred eleven thousand, two hundred thirty".