20304242001313 has 2 divisors, whose sum is σ = 20304242001314. Its totient is φ = 20304242001312.

The previous prime is 20304242001289. The next prime is 20304242001319. The reversal of 20304242001313 is 31310024240302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20272578290064 + 31663711249 = 4502508^2 + 177943^2 .

It is a cyclic number.

It is not a de Polignac number, because 20304242001313 - 2²⁵ = 20304208446881 is a prime.

It is not a weakly prime, because it can be changed into another prime (20304242001319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10152121000656 + 10152121000657.

It is an arithmetic number, because the mean of its divisors is an integer number (10152121000657).

Almost surely, 2^{20304242001313} is an apocalyptic number.

It is an amenable number.

20304242001313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20304242001313 is an equidigital number, since it uses as much as digits as its factorization.

20304242001313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20304242001313 its reverse (31310024240302), we get a palindrome (51614266241615).

The spelling of 20304242001313 in words is "twenty trillion, three hundred four billion, two hundred forty-two million, one thousand, three hundred thirteen".