100341209 has 2 divisors, whose sum is σ = 100341210. Its totient is φ = 100341208.

The previous prime is 100341187. The next prime is 100341221. The reversal of 100341209 is 902143001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77492809 + 22848400 = 8803^2 + 4780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100341209 is a prime.

It is not a weakly prime, because it can be changed into another prime (100341239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50170604 + 50170605.

It is an arithmetic number, because the mean of its divisors is an integer number (50170605).

Almost surely, 2^100341209 is an apocalyptic number.

It is an amenable number.

100341209 is a deficient number, since it is larger than the sum of its proper divisors (1).

100341209 is an equidigital number, since it uses as much as digits as its factorization.

100341209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 100341209 is about 10017.0459218275. The cubic root of 100341209 is about 464.6862013579.

The spelling of 100341209 in words is "one hundred million, three hundred forty-one thousand, two hundred nine".