1301310331 has 2 divisors, whose sum is σ = 1301310332. Its totient is φ = 1301310330.

The previous prime is 1301310319. The next prime is 1301310341. The reversal of 1301310331 is 1330131031.

It is a strong prime.

It is an emirp because it is prime and its reverse (1330131031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301310331 is a prime.

It is a super-2 number, since 2×1301310331² = 3386817155134659122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1301310341) 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, 650655165 + 650655166.

It is an arithmetic number, because the mean of its divisors is an integer number (650655166).

Almost surely, 2^1301310331 is an apocalyptic number.

1301310331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301310331 is an equidigital number, since it uses as much as digits as its factorization.

1301310331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1301310331 is about 36073.6791996602. The cubic root of 1301310331 is about 1091.7594486286.

Adding to 1301310331 its reverse (1330131031), we get a palindrome (2631441362).

The spelling of 1301310331 in words is "one billion, three hundred one million, three hundred ten thousand, three hundred thirty-one".