200303420309 has 2 divisors, whose sum is σ = 200303420310. Its totient is φ = 200303420308.

The previous prime is 200303420249. The next prime is 200303420321. The reversal of 200303420309 is 903024303002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117252826084 + 83050594225 = 342422^2 + 288185^2 .

It is a cyclic number.

It is not a de Polignac number, because 200303420309 - 2²⁴ = 200286643093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200303420399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100151710154 + 100151710155.

It is an arithmetic number, because the mean of its divisors is an integer number (100151710155).

Almost surely, 2^200303420309 is an apocalyptic number.

It is an amenable number.

200303420309 is a deficient number, since it is larger than the sum of its proper divisors (1).

200303420309 is an equidigital number, since it uses as much as digits as its factorization.

200303420309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The spelling of 200303420309 in words is "two hundred billion, three hundred three million, four hundred twenty thousand, three hundred nine".