313003111243 has 2 divisors, whose sum is σ = 313003111244. Its totient is φ = 313003111242.

The previous prime is 313003111241. The next prime is 313003111319. The reversal of 313003111243 is 342111300313.

It is a weak prime.

It is an emirp because it is prime and its reverse (342111300313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313003111243 - 2¹ = 313003111241 is a prime.

Together with 313003111241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (313003111241) 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, 156501555621 + 156501555622.

It is an arithmetic number, because the mean of its divisors is an integer number (156501555622).

Almost surely, 2^313003111243 is an apocalyptic number.

313003111243 is a deficient number, since it is larger than the sum of its proper divisors (1).

313003111243 is an equidigital number, since it uses as much as digits as its factorization.

313003111243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313003111243 its reverse (342111300313), we get a palindrome (655114411556).

The spelling of 313003111243 in words is "three hundred thirteen billion, three million, one hundred eleven thousand, two hundred forty-three".