312311303113223 has 2 divisors, whose sum is σ = 312311303113224. Its totient is φ = 312311303113222.

The previous prime is 312311303113193. The next prime is 312311303113273. The reversal of 312311303113223 is 322311303113213.

It is a weak prime.

It is an emirp because it is prime and its reverse (322311303113213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312311303113223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312311303113273) 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, 156155651556611 + 156155651556612.

It is an arithmetic number, because the mean of its divisors is an integer number (156155651556612).

Almost surely, 2^{312311303113223} is an apocalyptic number.

312311303113223 is a deficient number, since it is larger than the sum of its proper divisors (1).

312311303113223 is an equidigital number, since it uses as much as digits as its factorization.

312311303113223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 312311303113223 its reverse (322311303113213), we get a palindrome (634622606226436).

The spelling of 312311303113223 in words is "three hundred twelve trillion, three hundred eleven billion, three hundred three million, one hundred thirteen thousand, two hundred twenty-three".