203100112 has 20 divisors (see below), whose sum is σ = 396152100. Its totient is φ = 100867328.

The previous prime is 203100091. The next prime is 203100151. The reversal of 203100112 is 211001302.

It can be written as a sum of positive squares in 2 ways, for example, as 72318016 + 130782096 = 8504^2 + 11436^2 .

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 3 ways as a sum of consecutive naturals, for example, 40213 + ... + 44980.

It is an arithmetic number, because the mean of its divisors is an integer number (19807605).

Almost surely, 2^203100112 is an apocalyptic number.

It is an amenable number.

203100112 is a deficient number, since it is larger than the sum of its proper divisors (193051988).

203100112 is a wasteful number, since it uses less digits than its factorization.

203100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85350 (or 85344 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 203100112 is about 14251.3196581931. The cubic root of 203100112 is about 587.8096627372.

Adding to 203100112 its reverse (211001302), we get a palindrome (414101414).

The spelling of 203100112 in words is "two hundred three million, one hundred thousand, one hundred twelve".