100204213 has 4 divisors (see below), whose sum is σ = 100634508. Its totient is φ = 99773920.

The previous prime is 100204207. The next prime is 100204229. The reversal of 100204213 is 312402001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11881809 + 88322404 = 3447^2 + 9398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100204213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100204193 and 100204202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100204283) 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 3 ways as a sum of consecutive naturals, for example, 214798 + ... + 215263.

It is an arithmetic number, because the mean of its divisors is an integer number (25158627).

Almost surely, 2^100204213 is an apocalyptic number.

It is an amenable number.

100204213 is a deficient number, since it is larger than the sum of its proper divisors (430295).

100204213 is an equidigital number, since it uses as much as digits as its factorization.

100204213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430294.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100204213 is about 10010.2054424472. The cubic root of 100204213 is about 464.4746261230.

Adding to 100204213 its reverse (312402001), we get a palindrome (412606214).

The spelling of 100204213 in words is "one hundred million, two hundred four thousand, two hundred thirteen".