100220530309 has 2 divisors, whose sum is σ = 100220530310. Its totient is φ = 100220530308.

The previous prime is 100220530283. The next prime is 100220530313. The reversal of 100220530309 is 903035022001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83099592900 + 17120937409 = 288270^2 + 130847^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220530309 - 2⁷ = 100220530181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100220510309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110265154 + 50110265155.

It is an arithmetic number, because the mean of its divisors is an integer number (50110265155).

Almost surely, 2^100220530309 is an apocalyptic number.

It is an amenable number.

100220530309 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220530309 is an equidigital number, since it uses as much as digits as its factorization.

100220530309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The spelling of 100220530309 in words is "one hundred billion, two hundred twenty million, five hundred thirty thousand, three hundred nine".