100030203 has 48 divisors (see below), whose sum is σ = 182693056. Its totient is φ = 51321600.

The previous prime is 100030187. The next prime is 100030213. The reversal of 100030203 is 302030001.

It is a happy number.

It is not a de Polignac number, because 100030203 - 2⁴ = 100030187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (100030213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28653 + ... + 31953.

Almost surely, 2^100030203 is an apocalyptic number.

100030203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100030203 is a deficient number, since it is larger than the sum of its proper divisors (82662853).

100030203 is a wasteful number, since it uses less digits than its factorization.

100030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 100030203 is about 10001.5100359896. The cubic root of 100030203 is about 464.2056086266.

Adding to 100030203 its reverse (302030001), we get a palindrome (402060204).

The spelling of 100030203 in words is "one hundred million, thirty thousand, two hundred three".