204234313 has 4 divisors (see below), whose sum is σ = 204273028. Its totient is φ = 204195600.

The previous prime is 204234307. The next prime is 204234347. The reversal of 204234313 is 313432402.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 159971904 + 44262409 = 12648^2 + 6653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204234313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204234353) 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 in 3 ways as a sum of consecutive naturals, for example, 9906 + ... + 22507.

It is an arithmetic number, because the mean of its divisors is an integer number (51068257).

Almost surely, 2^204234313 is an apocalyptic number.

It is an amenable number.

204234313 is a deficient number, since it is larger than the sum of its proper divisors (38715).

204234313 is an equidigital number, since it uses as much as digits as its factorization.

204234313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38714.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 204234313 is about 14291.0570987593. The cubic root of 204234313 is about 588.9018287269.

Adding to 204234313 its reverse (313432402), we get a palindrome (517666715).

The spelling of 204234313 in words is "two hundred four million, two hundred thirty-four thousand, three hundred thirteen".