204103113 has 4 divisors (see below), whose sum is σ = 272137488. Its totient is φ = 136068740.

The previous prime is 204103099. The next prime is 204103121. The reversal of 204103113 is 311301402.

204103113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204103113 - 2⁹ = 204102601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204103092 and 204103101.

It is not an unprimeable number, because it can be changed into a prime (204103213) 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, 34017183 + ... + 34017188.

It is an arithmetic number, because the mean of its divisors is an integer number (68034372).

Almost surely, 2^204103113 is an apocalyptic number.

It is an amenable number.

204103113 is a deficient number, since it is larger than the sum of its proper divisors (68034375).

204103113 is an equidigital number, since it uses as much as digits as its factorization.

204103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68034374.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 204103113 is about 14286.4660780754. The cubic root of 204103113 is about 588.7756983207.

Adding to 204103113 its reverse (311301402), we get a palindrome (515404515).

The spelling of 204103113 in words is "two hundred four million, one hundred three thousand, one hundred thirteen".