100311203 has 16 divisors (see below), whose sum is σ = 115668000. Its totient is φ = 86349312.

The previous prime is 100311199. The next prime is 100311209. The reversal of 100311203 is 302113001.

It is a cyclic number.

It is not a de Polignac number, because 100311203 - 2² = 100311199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100311209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4013 + ... + 14721.

It is an arithmetic number, because the mean of its divisors is an integer number (7229250).

Almost surely, 2^100311203 is an apocalyptic number.

100311203 is a deficient number, since it is larger than the sum of its proper divisors (15356797).

100311203 is a wasteful number, since it uses less digits than its factorization.

100311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 100311203 is about 10015.5480628870. The cubic root of 100311203 is about 464.6398768736.

Adding to 100311203 its reverse (302113001), we get a palindrome (402424204).

The spelling of 100311203 in words is "one hundred million, three hundred eleven thousand, two hundred three".