203110113 has 16 divisors (see below), whose sum is σ = 286672320. Its totient is φ = 127694784.

The previous prime is 203110111. The next prime is 203110121. The reversal of 203110113 is 311011302.

203110113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203110113 - 2¹ = 203110111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203110111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23406 + ... + 30887.

It is an arithmetic number, because the mean of its divisors is an integer number (17917020).

Almost surely, 2^203110113 is an apocalyptic number.

It is an amenable number.

203110113 is a deficient number, since it is larger than the sum of its proper divisors (83562207).

203110113 is a wasteful number, since it uses less digits than its factorization.

203110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54368.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 203110113 is about 14251.6705336603. The cubic root of 203110113 is about 587.8193108329.

Adding to 203110113 its reverse (311011302), we get a palindrome (514121415).

The spelling of 203110113 in words is "two hundred three million, one hundred ten thousand, one hundred thirteen".