1304220304213 has 2 divisors, whose sum is σ = 1304220304214. Its totient is φ = 1304220304212.

The previous prime is 1304220304201. The next prime is 1304220304223. The reversal of 1304220304213 is 3124030224031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1242794647249 + 61425656964 = 1114807^2 + 247842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304220304213 - 2⁵ = 1304220304181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304220304223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652110152106 + 652110152107.

It is an arithmetic number, because the mean of its divisors is an integer number (652110152107).

Almost surely, 2^{1304220304213} is an apocalyptic number.

It is an amenable number.

1304220304213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304220304213 is an equidigital number, since it uses as much as digits as its factorization.

1304220304213 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1304220304213 its reverse (3124030224031), we get a palindrome (4428250528244).

The spelling of 1304220304213 in words is "one trillion, three hundred four billion, two hundred twenty million, three hundred four thousand, two hundred thirteen".