203130030 has 16 divisors (see below), whose sum is σ = 487512144. Its totient is φ = 54168000.

The previous prime is 203130029. The next prime is 203130047. The reversal of 203130030 is 30031302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203129988 and 203130015.

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, 3385471 + ... + 3385530.

It is an arithmetic number, because the mean of its divisors is an integer number (30469509).

Almost surely, 2^203130030 is an apocalyptic number.

203130030 is an abundant number, since it is smaller than the sum of its proper divisors (284382114).

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

203130030 is a wasteful number, since it uses less digits than its factorization.

203130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771011.

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

The square root of 203130030 is about 14252.3692767203. The cubic root of 203130030 is about 587.8385240803.

Adding to 203130030 its reverse (30031302), we get a palindrome (233161332).

The spelling of 203130030 in words is "two hundred three million, one hundred thirty thousand, thirty".