204356313 has 42 divisors (see below), whose sum is σ = 346162154. Its totient is φ = 116169984.

The previous prime is 204356297. The next prime is 204356333. The reversal of 204356313 is 313653402.

It is a happy number.

204356313 is a `hidden beast` number, since 20 + 4 + 3 + 5 + 631 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 152473104 + 51883209 = 12348^2 + 7203^2 .

It is not a de Polignac number, because 204356313 - 2⁴ = 204356297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204356333) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1058745 + ... + 1058937.

Almost surely, 2^204356313 is an apocalyptic number.

It is an amenable number.

204356313 is a deficient number, since it is larger than the sum of its proper divisors (141805841).

204356313 is an frugal number, since it uses more digits than its factorization.

204356313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 204356313 is about 14295.3248651438. The cubic root of 204356313 is about 589.0190661636.

The spelling of 204356313 in words is "two hundred four million, three hundred fifty-six thousand, three hundred thirteen".