203130300 has 72 divisors (see below), whose sum is σ = 589462272. Its totient is φ = 54008000.

The previous prime is 203130293. The next prime is 203130337. The reversal of 203130300 is 3031302.

It is a happy number.

203130300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128515 + ... + 130085.

It is an arithmetic number, because the mean of its divisors is an integer number (8186976).

Almost surely, 2^203130300 is an apocalyptic number.

203130300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203130300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294731136).

203130300 is an abundant number, since it is smaller than the sum of its proper divisors (386331972).

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

203130300 is a wasteful number, since it uses less digits than its factorization.

203130300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 203130300 is about 14252.3787488265. The cubic root of 203130300 is about 587.8387845314.

Adding to 203130300 its reverse (3031302), we get a palindrome (206161602).

The spelling of 203130300 in words is "two hundred three million, one hundred thirty thousand, three hundred".