312442422222349 has 2 divisors, whose sum is σ = 312442422222350. Its totient is φ = 312442422222348.

The previous prime is 312442422222283. The next prime is 312442422222389. The reversal of 312442422222349 is 943222224244213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309679573221225 + 2762849001124 = 17597715^2 + 1662182^2 .

It is a cyclic number.

It is not a de Polignac number, because 312442422222349 - 2¹¹ = 312442422220301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312442422222299 and 312442422222308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312442422222389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156221211111174 + 156221211111175.

It is an arithmetic number, because the mean of its divisors is an integer number (156221211111175).

Almost surely, 2^{312442422222349} is an apocalyptic number.

It is an amenable number.

312442422222349 is a deficient number, since it is larger than the sum of its proper divisors (1).

312442422222349 is an equidigital number, since it uses as much as digits as its factorization.

312442422222349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 46.

The spelling of 312442422222349 in words is "three hundred twelve trillion, four hundred forty-two billion, four hundred twenty-two million, two hundred twenty-two thousand, three hundred forty-nine".