1301320313 has 2 divisors, whose sum is σ = 1301320314. Its totient is φ = 1301320312.

The previous prime is 1301320247. The next prime is 1301320327. The reversal of 1301320313 is 3130231031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1289671744 + 11648569 = 35912^2 + 3413^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301320313 - 2¹⁴ = 1301303929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301320291 and 1301320300.

It is not a weakly prime, because it can be changed into another prime (1301320213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650660156 + 650660157.

It is an arithmetic number, because the mean of its divisors is an integer number (650660157).

Almost surely, 2^1301320313 is an apocalyptic number.

It is an amenable number.

1301320313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301320313 is an equidigital number, since it uses as much as digits as its factorization.

1301320313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1301320313 is about 36073.8175551188. The cubic root of 1301320313 is about 1091.7622401520.

Adding to 1301320313 its reverse (3130231031), we get a palindrome (4431551344).

The spelling of 1301320313 in words is "one billion, three hundred one million, three hundred twenty thousand, three hundred thirteen".