204334404313 has 32 divisors (see below), whose sum is σ = 231761277440. Its totient is φ = 178913629440.

The previous prime is 204334404257. The next prime is 204334404409. The reversal of 204334404313 is 313404433402.

It is a de Polignac number, because none of the positive numbers 2^k-204334404313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204334405313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2655895 + ... + 2731747.

It is an arithmetic number, because the mean of its divisors is an integer number (7242539920).

Almost surely, 2^204334404313 is an apocalyptic number.

It is an amenable number.

204334404313 is a deficient number, since it is larger than the sum of its proper divisors (27426873127).

204334404313 is a wasteful number, since it uses less digits than its factorization.

204334404313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76049.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 204334404313 its reverse (313404433402), we get a palindrome (517738837715).

The spelling of 204334404313 in words is "two hundred four billion, three hundred thirty-four million, four hundred four thousand, three hundred thirteen".