200431331 has 4 divisors (see below), whose sum is σ = 205848432. Its totient is φ = 195014232.

The previous prime is 200431321. The next prime is 200431339. The reversal of 200431331 is 133134002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200431331 - 2¹⁸ = 200169187 is a prime.

It is a super-2 number, since 2×200431331² = 80345436892863122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200431339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708495 + ... + 2708568.

It is an arithmetic number, because the mean of its divisors is an integer number (51462108).

Almost surely, 2^200431331 is an apocalyptic number.

200431331 is a deficient number, since it is larger than the sum of its proper divisors (5417101).

200431331 is an equidigital number, since it uses as much as digits as its factorization.

200431331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417100.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 200431331 is about 14157.3772641687. The cubic root of 200431331 is about 585.2236522786.

Adding to 200431331 its reverse (133134002), we get a palindrome (333565333).

The spelling of 200431331 in words is "two hundred million, four hundred thirty-one thousand, three hundred thirty-one".