204034231 has 2 divisors, whose sum is σ = 204034232. Its totient is φ = 204034230.

The previous prime is 204034223. The next prime is 204034247. The reversal of 204034231 is 132430402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204034231 - 2³ = 204034223 is a prime.

It is a super-2 number, since 2×204034231² = 83259934839522722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204034199 and 204034208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204034261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102017115 + 102017116.

It is an arithmetic number, because the mean of its divisors is an integer number (102017116).

Almost surely, 2^204034231 is an apocalyptic number.

204034231 is a deficient number, since it is larger than the sum of its proper divisors (1).

204034231 is an equidigital number, since it uses as much as digits as its factorization.

204034231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 204034231 is about 14284.0551315094. The cubic root of 204034231 is about 588.7094562951.

Adding to 204034231 its reverse (132430402), we get a palindrome (336464633).

The spelling of 204034231 in words is "two hundred four million, thirty-four thousand, two hundred thirty-one".