20304000313 has 2 divisors, whose sum is σ = 20304000314. Its totient is φ = 20304000312.

The previous prime is 20304000271. The next prime is 20304000323. The reversal of 20304000313 is 31300040302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19693070224 + 610930089 = 140332^2 + 24717^2 .

It is a cyclic number.

It is not a de Polignac number, because 20304000313 - 2¹⁷ = 20303869241 is a prime.

It is not a weakly prime, because it can be changed into another prime (20304000323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10152000156 + 10152000157.

It is an arithmetic number, because the mean of its divisors is an integer number (10152000157).

Almost surely, 2^20304000313 is an apocalyptic number.

It is an amenable number.

20304000313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20304000313 is an equidigital number, since it uses as much as digits as its factorization.

20304000313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20304000313 its reverse (31300040302), we get a palindrome (51604040615).

The spelling of 20304000313 in words is "twenty billion, three hundred four million, three hundred thirteen", and thus it is an aban number.