203000030 has 8 divisors (see below), whose sum is σ = 365400072. Its totient is φ = 81200008.

The previous prime is 202999991. The next prime is 203000051. The reversal of 203000030 is 30000302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202999981 and 203000017.

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, 10149992 + ... + 10150011.

It is an arithmetic number, because the mean of its divisors is an integer number (45675009).

Almost surely, 2^203000030 is an apocalyptic number.

203000030 is a deficient number, since it is larger than the sum of its proper divisors (162400042).

203000030 is a wasteful number, since it uses less digits than its factorization.

203000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20300010.

The product of its (nonzero) digits is 18, while the sum is 8.

The square root of 203000030 is about 14247.8079015686. The cubic root of 203000030 is about 587.7130948725.

Adding to 203000030 its reverse (30000302), we get a palindrome (233000332).

The spelling of 203000030 in words is "two hundred three million, thirty", and thus it is an aban number.