313003312243 has 2 divisors, whose sum is σ = 313003312244. Its totient is φ = 313003312242.

The previous prime is 313003312213. The next prime is 313003312247. The reversal of 313003312243 is 342213300313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313003312243 is a prime.

It is not a weakly prime, because it can be changed into another prime (313003312247) 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, 156501656121 + 156501656122.

It is an arithmetic number, because the mean of its divisors is an integer number (156501656122).

Almost surely, 2^313003312243 is an apocalyptic number.

313003312243 is a deficient number, since it is larger than the sum of its proper divisors (1).

313003312243 is an equidigital number, since it uses as much as digits as its factorization.

313003312243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 313003312243 its reverse (342213300313), we get a palindrome (655216612556).

The spelling of 313003312243 in words is "three hundred thirteen billion, three million, three hundred twelve thousand, two hundred forty-three".