312313630325243 has 2 divisors, whose sum is σ = 312313630325244. Its totient is φ = 312313630325242.

The previous prime is 312313630325239. The next prime is 312313630325303. The reversal of 312313630325243 is 342523036313213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312313630325243 - 2² = 312313630325239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312313630325243.

It is not a weakly prime, because it can be changed into another prime (312313630325843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156156815162621 + 156156815162622.

It is an arithmetic number, because the mean of its divisors is an integer number (156156815162622).

Almost surely, 2^{312313630325243} is an apocalyptic number.

312313630325243 is a deficient number, since it is larger than the sum of its proper divisors (1).

312313630325243 is an equidigital number, since it uses as much as digits as its factorization.

312313630325243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 41.

Adding to 312313630325243 its reverse (342523036313213), we get a palindrome (654836666638456).

The spelling of 312313630325243 in words is "three hundred twelve trillion, three hundred thirteen billion, six hundred thirty million, three hundred twenty-five thousand, two hundred forty-three".