1304220305117 has 2 divisors, whose sum is σ = 1304220305118. Its totient is φ = 1304220305116.

The previous prime is 1304220305099. The next prime is 1304220305147. The reversal of 1304220305117 is 7115030224031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1272731447716 + 31488857401 = 1128154^2 + 177451^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304220305117 - 2⁶ = 1304220305053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304220305117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304220305147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652110152558 + 652110152559.

It is an arithmetic number, because the mean of its divisors is an integer number (652110152559).

Almost surely, 2^{1304220305117} is an apocalyptic number.

It is an amenable number.

1304220305117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304220305117 is an equidigital number, since it uses as much as digits as its factorization.

1304220305117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 1304220305117 its reverse (7115030224031), we get a palindrome (8419250529148).

The spelling of 1304220305117 in words is "one trillion, three hundred four billion, two hundred twenty million, three hundred five thousand, one hundred seventeen".