200440231 has 2 divisors, whose sum is σ = 200440232. Its totient is φ = 200440230.

The previous prime is 200440189. The next prime is 200440237. The reversal of 200440231 is 132044002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200440231 - 2⁹ = 200439719 is a prime.

It is a super-2 number, since 2×200440231² = 80352572406666722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200440237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100220115 + 100220116.

It is an arithmetic number, because the mean of its divisors is an integer number (100220116).

Almost surely, 2^200440231 is an apocalyptic number.

200440231 is a deficient number, since it is larger than the sum of its proper divisors (1).

200440231 is an equidigital number, since it uses as much as digits as its factorization.

200440231 is an evil number, because the sum of its binary digits is even.

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

The square root of 200440231 is about 14157.6915844356. The cubic root of 200440231 is about 585.2323142866.

Adding to 200440231 its reverse (132044002), we get a palindrome (332484233).

The spelling of 200440231 in words is "two hundred million, four hundred forty thousand, two hundred thirty-one".