1305323113 has 2 divisors, whose sum is σ = 1305323114. Its totient is φ = 1305323112.

The previous prime is 1305323101. The next prime is 1305323137. The reversal of 1305323113 is 3113235031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848731689 + 456591424 = 29133^2 + 21368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305323113 - 2²¹ = 1303225961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1305323183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652661556 + 652661557.

It is an arithmetic number, because the mean of its divisors is an integer number (652661557).

Almost surely, 2^1305323113 is an apocalyptic number.

It is an amenable number.

1305323113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305323113 is an equidigital number, since it uses as much as digits as its factorization.

1305323113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1305323113 is about 36129.2556386096. The cubic root of 1305323113 is about 1092.8804974445.

Adding to 1305323113 its reverse (3113235031), we get a palindrome (4418558144).

The spelling of 1305323113 in words is "one billion, three hundred five million, three hundred twenty-three thousand, one hundred thirteen".