312244115773 has 2 divisors, whose sum is σ = 312244115774. Its totient is φ = 312244115772.

The previous prime is 312244115747. The next prime is 312244115797. The reversal of 312244115773 is 377511442213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205787435044 + 106456680729 = 453638^2 + 326277^2 .

It is an emirp because it is prime and its reverse (377511442213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312244115773 - 2⁵ = 312244115741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312244116773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156122057886 + 156122057887.

It is an arithmetic number, because the mean of its divisors is an integer number (156122057887).

Almost surely, 2^312244115773 is an apocalyptic number.

It is an amenable number.

312244115773 is a deficient number, since it is larger than the sum of its proper divisors (1).

312244115773 is an equidigital number, since it uses as much as digits as its factorization.

312244115773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

Adding to 312244115773 its reverse (377511442213), we get a palindrome (689755557986).

The spelling of 312244115773 in words is "three hundred twelve billion, two hundred forty-four million, one hundred fifteen thousand, seven hundred seventy-three".