304303220329 has 2 divisors, whose sum is σ = 304303220330. Its totient is φ = 304303220328.

The previous prime is 304303220317. The next prime is 304303220371. The reversal of 304303220329 is 923022303403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194082540304 + 110220680025 = 440548^2 + 331995^2 .

It is a cyclic number.

It is not a de Polignac number, because 304303220329 - 2¹³ = 304303212137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 304303220329.

It is not a weakly prime, because it can be changed into another prime (304303227329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152151610164 + 152151610165.

It is an arithmetic number, because the mean of its divisors is an integer number (152151610165).

Almost surely, 2^304303220329 is an apocalyptic number.

It is an amenable number.

304303220329 is a deficient number, since it is larger than the sum of its proper divisors (1).

304303220329 is an equidigital number, since it uses as much as digits as its factorization.

304303220329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 31.

The spelling of 304303220329 in words is "three hundred four billion, three hundred three million, two hundred twenty thousand, three hundred twenty-nine".