203104111 has 4 divisors (see below), whose sum is σ = 232118992. Its totient is φ = 174089232.

The previous prime is 203104073. The next prime is 203104123. The reversal of 203104111 is 111401302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203104111 - 2⁷ = 203103983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203104091 and 203104100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203104411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14507430 + ... + 14507443.

It is an arithmetic number, because the mean of its divisors is an integer number (58029748).

Almost surely, 2^203104111 is an apocalyptic number.

203104111 is a deficient number, since it is larger than the sum of its proper divisors (29014881).

203104111 is an equidigital number, since it uses as much as digits as its factorization.

203104111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29014880.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 203104111 is about 14251.4599602988. The cubic root of 203104111 is about 587.8135206629.

Adding to 203104111 its reverse (111401302), we get a palindrome (314505413).

The spelling of 203104111 in words is "two hundred three million, one hundred four thousand, one hundred eleven".