204344011 has 2 divisors, whose sum is σ = 204344012. Its totient is φ = 204344010.

The previous prime is 204344003. The next prime is 204344017. The reversal of 204344011 is 110443402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204344011 - 2³ = 204344003 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204344011.

It is not a weakly prime, because it can be changed into another prime (204344017) 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, 102172005 + 102172006.

It is an arithmetic number, because the mean of its divisors is an integer number (102172006).

Almost surely, 2^204344011 is an apocalyptic number.

204344011 is a deficient number, since it is larger than the sum of its proper divisors (1).

204344011 is an equidigital number, since it uses as much as digits as its factorization.

204344011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 204344011 is about 14294.8945781352. The cubic root of 204344011 is about 589.0072465174.

Adding to 204344011 its reverse (110443402), we get a palindrome (314787413).

The spelling of 204344011 in words is "two hundred four million, three hundred forty-four thousand, eleven".