203103031103200 has 36 divisors (see below), whose sum is σ = 495825274682640. Its totient is φ = 81241212440960.

The previous prime is 203103031103113. The next prime is 203103031103201. The reversal of 203103031103200 is 2301130301302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203103031103201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126939393640 + ... + 126939395239.

It is an arithmetic number, because the mean of its divisors is an integer number (13772924296740).

Almost surely, 2^{203103031103200} is an apocalyptic number.

203103031103200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203103031103200 is an abundant number, since it is smaller than the sum of its proper divisors (292722243579440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203103031103200 is a wasteful number, since it uses less digits than its factorization.

203103031103200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253878788899 (or 253878788886 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203103031103200 its reverse (2301130301302), we get a palindrome (205404161404502).

The spelling of 203103031103200 in words is "two hundred three trillion, one hundred three billion, thirty-one million, one hundred three thousand, two hundred".