204113311 has 2 divisors, whose sum is σ = 204113312. Its totient is φ = 204113310.

The previous prime is 204113309. The next prime is 204113321. The reversal of 204113311 is 113311402.

204113311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204113311 - 2¹ = 204113309 is a prime.

Together with 204113309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204113321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102056655 + 102056656.

It is an arithmetic number, because the mean of its divisors is an integer number (102056656).

Almost surely, 2^204113311 is an apocalyptic number.

204113311 is a deficient number, since it is larger than the sum of its proper divisors (1).

204113311 is an equidigital number, since it uses as much as digits as its factorization.

204113311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 204113311 is about 14286.8229848347. The cubic root of 204113311 is about 588.7855042050.

Adding to 204113311 its reverse (113311402), we get a palindrome (317424713).

The spelling of 204113311 in words is "two hundred four million, one hundred thirteen thousand, three hundred eleven".