1312304113 has 2 divisors, whose sum is σ = 1312304114. Its totient is φ = 1312304112.

The previous prime is 1312304101. The next prime is 1312304207. The reversal of 1312304113 is 3114032131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1061651889 + 250652224 = 32583^2 + 15832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312304113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312304713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656152056 + 656152057.

It is an arithmetic number, because the mean of its divisors is an integer number (656152057).

Almost surely, 2^1312304113 is an apocalyptic number.

It is an amenable number.

1312304113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312304113 is an equidigital number, since it uses as much as digits as its factorization.

1312304113 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 1312304113 is about 36225.7382671492. The cubic root of 1312304113 is about 1094.8253130006.

Adding to 1312304113 its reverse (3114032131), we get a palindrome (4426336244).

The spelling of 1312304113 in words is "one billion, three hundred twelve million, three hundred four thousand, one hundred thirteen".