203117116 has 24 divisors (see below), whose sum is σ = 365366736. Its totient is φ = 98743680.

The previous prime is 203117107. The next prime is 203117141. The reversal of 203117116 is 611711302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50035 + ... + 53941.

It is an arithmetic number, because the mean of its divisors is an integer number (15223614).

Almost surely, 2^203117116 is an apocalyptic number.

It is an amenable number.

203117116 is a deficient number, since it is larger than the sum of its proper divisors (162249620).

203117116 is a wasteful number, since it uses less digits than its factorization.

203117116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 203117116 is about 14251.9162220384. The cubic root of 203117116 is about 587.8260665302.

Adding to 203117116 its reverse (611711302), we get a palindrome (814828418).

The spelling of 203117116 in words is "two hundred three million, one hundred seventeen thousand, one hundred sixteen".