204343313 has 4 divisors (see below), whose sum is σ = 204402228. Its totient is φ = 204284400.

The previous prime is 204343297. The next prime is 204343319. The reversal of 204343313 is 313343402.

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 104203264 + 100140049 = 10208^2 + 10007^2 .

It is a cyclic number.

It is not a de Polignac number, because 204343313 - 2⁴ = 204343297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204343319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23906 + ... + 31307.

It is an arithmetic number, because the mean of its divisors is an integer number (51100557).

Almost surely, 2^204343313 is an apocalyptic number.

It is an amenable number.

204343313 is a deficient number, since it is larger than the sum of its proper divisors (58915).

204343313 is an equidigital number, since it uses as much as digits as its factorization.

204343313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58914.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 204343313 is about 14294.8701638035. The cubic root of 204343313 is about 589.0065758713.

Adding to 204343313 its reverse (313343402), we get a palindrome (517686715).

The spelling of 204343313 in words is "two hundred four million, three hundred forty-three thousand, three hundred thirteen".