203386117 has 16 divisors (see below), whose sum is σ = 229227264. Its totient is φ = 180338400.

The previous prime is 203386111. The next prime is 203386129. The reversal of 203386117 is 711683302.

203386117 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 203386117 - 2³ = 203386109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203386111) 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, 52708 + ... + 56434.

It is an arithmetic number, because the mean of its divisors is an integer number (14326704).

Almost surely, 2^203386117 is an apocalyptic number.

It is an amenable number.

203386117 is a deficient number, since it is larger than the sum of its proper divisors (25841147).

203386117 is an equidigital number, since it uses as much as digits as its factorization.

203386117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 203386117 is about 14261.3504620004. The cubic root of 203386117 is about 588.0854506214.

The spelling of 203386117 in words is "two hundred three million, three hundred eighty-six thousand, one hundred seventeen".