312211444112371 has 2 divisors, whose sum is σ = 312211444112372. Its totient is φ = 312211444112370.

The previous prime is 312211444112207. The next prime is 312211444112419. The reversal of 312211444112371 is 173211444112213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312211444112371 - 2¹¹ = 312211444110323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312211444112371.

It is not a weakly prime, because it can be changed into another prime (312211444122371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156105722056185 + 156105722056186.

It is an arithmetic number, because the mean of its divisors is an integer number (156105722056186).

Almost surely, 2^{312211444112371} is an apocalyptic number.

312211444112371 is a deficient number, since it is larger than the sum of its proper divisors (1).

312211444112371 is an equidigital number, since it uses as much as digits as its factorization.

312211444112371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

Adding to 312211444112371 its reverse (173211444112213), we get a palindrome (485422888224584).

The spelling of 312211444112371 in words is "three hundred twelve trillion, two hundred eleven billion, four hundred forty-four million, one hundred twelve thousand, three hundred seventy-one".