100213203 has 4 divisors (see below), whose sum is σ = 133617608. Its totient is φ = 66808800.

The previous prime is 100213189. The next prime is 100213207. The reversal of 100213203 is 302312001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302312001 = 3 ⋅100770667.

It is not a de Polignac number, because 100213203 - 2⁴ = 100213187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100213207) 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, 16702198 + ... + 16702203.

It is an arithmetic number, because the mean of its divisors is an integer number (33404402).

Almost surely, 2^100213203 is an apocalyptic number.

100213203 is a deficient number, since it is larger than the sum of its proper divisors (33404405).

100213203 is an equidigital number, since it uses as much as digits as its factorization.

100213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33404404.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100213203 is about 10010.6544741091. The cubic root of 100213203 is about 464.4885160979.

Adding to 100213203 its reverse (302312001), we get a palindrome (402525204).

The spelling of 100213203 in words is "one hundred million, two hundred thirteen thousand, two hundred three".