200312231 has 16 divisors (see below), whose sum is σ = 242837760. Its totient is φ = 161403840.

The previous prime is 200312213. The next prime is 200312279. The reversal of 200312231 is 132213002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200312231 - 2¹⁴ = 200295847 is a prime.

It is a super-2 number, since 2×200312231² = 80249979776394722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200312131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11675 + ... + 23171.

It is an arithmetic number, because the mean of its divisors is an integer number (15177360).

Almost surely, 2^200312231 is an apocalyptic number.

200312231 is a deficient number, since it is larger than the sum of its proper divisors (42525529).

200312231 is a wasteful number, since it uses less digits than its factorization.

200312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200312231 is about 14153.1703515502. The cubic root of 200312231 is about 585.1077124088.

Adding to 200312231 its reverse (132213002), we get a palindrome (332525233).

The spelling of 200312231 in words is "two hundred million, three hundred twelve thousand, two hundred thirty-one".