100113203 has 2 divisors, whose sum is σ = 100113204. Its totient is φ = 100113202.

The previous prime is 100113199. The next prime is 100113239. The reversal of 100113203 is 302311001.

It is a weak prime.

It is an emirp because it is prime and its reverse (302311001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100113203 - 2² = 100113199 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100113263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50056601 + 50056602.

It is an arithmetic number, because the mean of its divisors is an integer number (50056602).

Almost surely, 2^100113203 is an apocalyptic number.

100113203 is a deficient number, since it is larger than the sum of its proper divisors (1).

100113203 is an equidigital number, since it uses as much as digits as its factorization.

100113203 is an evil number, because the sum of its binary digits is even.

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

The square root of 100113203 is about 10005.6585490411. The cubic root of 100113203 is about 464.3339645724. Note that the first 3 decimals are identical.

Adding to 100113203 its reverse (302311001), we get a palindrome (402424204).

The spelling of 100113203 in words is "one hundred million, one hundred thirteen thousand, two hundred three".