304313740561 has 2 divisors, whose sum is σ = 304313740562. Its totient is φ = 304313740560.

The previous prime is 304313740481. The next prime is 304313740663. The reversal of 304313740561 is 165047313403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259329451536 + 44984289025 = 509244^2 + 212095^2 .

It is a cyclic number.

It is not a de Polignac number, because 304313740561 - 2¹³ = 304313732369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 304313740561.

It is not a weakly prime, because it can be changed into another prime (304313740961) 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, 152156870280 + 152156870281.

It is an arithmetic number, because the mean of its divisors is an integer number (152156870281).

Almost surely, 2^304313740561 is an apocalyptic number.

It is an amenable number.

304313740561 is a deficient number, since it is larger than the sum of its proper divisors (1).

304313740561 is an equidigital number, since it uses as much as digits as its factorization.

304313740561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 304313740561 in words is "three hundred four billion, three hundred thirteen million, seven hundred forty thousand, five hundred sixty-one".