1304321113 has 2 divisors, whose sum is σ = 1304321114. Its totient is φ = 1304321112.

The previous prime is 1304321089. The next prime is 1304321129. The reversal of 1304321113 is 3111234031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272206224 + 32114889 = 35668^2 + 5667^2 .

It is an emirp because it is prime and its reverse (3111234031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304321113 is a prime.

It is a super-3 number, since 3×1304321113³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1304321173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652160556 + 652160557.

It is an arithmetic number, because the mean of its divisors is an integer number (652160557).

Almost surely, 2^1304321113 is an apocalyptic number.

It is an amenable number.

1304321113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304321113 is an equidigital number, since it uses as much as digits as its factorization.

1304321113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1304321113 is about 36115.3860978946. The cubic root of 1304321113 is about 1092.6007846879.

Adding to 1304321113 its reverse (3111234031), we get a palindrome (4415555144).

The spelling of 1304321113 in words is "one billion, three hundred four million, three hundred twenty-one thousand, one hundred thirteen".