3112311320219 has 2 divisors, whose sum is σ = 3112311320220. Its totient is φ = 3112311320218.

The previous prime is 3112311320189. The next prime is 3112311320257. The reversal of 3112311320219 is 9120231132113.

3112311320219 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (9120231132113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112311320219 is a prime.

It is a super-2 number, since 2×3112311320219² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3112311320191 and 3112311320200.

It is not a weakly prime, because it can be changed into another prime (3112311320269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556155660109 + 1556155660110.

It is an arithmetic number, because the mean of its divisors is an integer number (1556155660110).

Almost surely, 2^{3112311320219} is an apocalyptic number.

3112311320219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112311320219 is an equidigital number, since it uses as much as digits as its factorization.

3112311320219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 3112311320219 in words is "three trillion, one hundred twelve billion, three hundred eleven million, three hundred twenty thousand, two hundred nineteen".