203112044 has 12 divisors (see below), whose sum is σ = 356569584. Its totient is φ = 101235024.

The previous prime is 203112037. The next prime is 203112053. The reversal of 203112044 is 440211302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78824 + ... + 81359.

It is an arithmetic number, because the mean of its divisors is an integer number (29714132).

Almost surely, 2^203112044 is an apocalyptic number.

It is an amenable number.

203112044 is a deficient number, since it is larger than the sum of its proper divisors (153457540).

203112044 is a wasteful number, since it uses less digits than its factorization.

203112044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160504 (or 160502 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203112044 is about 14251.7382799433. The cubic root of 203112044 is about 587.8211736574.

Adding to 203112044 its reverse (440211302), we get a palindrome (643323346).

The spelling of 203112044 in words is "two hundred three million, one hundred twelve thousand, forty-four".