312342303222889 has 2 divisors, whose sum is σ = 312342303222890. Its totient is φ = 312342303222888.

The previous prime is 312342303222877. The next prime is 312342303222913. The reversal of 312342303222889 is 988222303243213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300180400261225 + 12161902961664 = 17325715^2 + 3487392^2 .

It is a cyclic number.

It is not a de Polignac number, because 312342303222889 - 2²¹ = 312342301125737 is a prime.

It is not a weakly prime, because it can be changed into another prime (312342303222809) 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, 156171151611444 + 156171151611445.

It is an arithmetic number, because the mean of its divisors is an integer number (156171151611445).

Almost surely, 2^{312342303222889} is an apocalyptic number.

It is an amenable number.

312342303222889 is a deficient number, since it is larger than the sum of its proper divisors (1).

312342303222889 is an equidigital number, since it uses as much as digits as its factorization.

312342303222889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 52.

The spelling of 312342303222889 in words is "three hundred twelve trillion, three hundred forty-two billion, three hundred three million, two hundred twenty-two thousand, eight hundred eighty-nine".