100203330203 has 4 divisors (see below), whose sum is σ = 102335316000. Its totient is φ = 98071344408.

The previous prime is 100203330169. The next prime is 100203330209. The reversal of 100203330203 is 302033302001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100203330203 - 2¹⁰ = 100203329179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100203330209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065992828 + ... + 1065992921.

It is an arithmetic number, because the mean of its divisors is an integer number (25583829000).

Almost surely, 2^100203330203 is an apocalyptic number.

100203330203 is a deficient number, since it is larger than the sum of its proper divisors (2131985797).

100203330203 is an equidigital number, since it uses as much as digits as its factorization.

100203330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131985796.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 100203330203 its reverse (302033302001), we get a palindrome (402236632204).

The spelling of 100203330203 in words is "one hundred billion, two hundred three million, three hundred thirty thousand, two hundred three".