1321342203079 has 2 divisors, whose sum is σ = 1321342203080. Its totient is φ = 1321342203078.

The previous prime is 1321342203067. The next prime is 1321342203089. The reversal of 1321342203079 is 9703022431231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1321342203079 - 2⁷ = 1321342202951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321342203019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660671101539 + 660671101540.

It is an arithmetic number, because the mean of its divisors is an integer number (660671101540).

Almost surely, 2^{1321342203079} is an apocalyptic number.

1321342203079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321342203079 is an equidigital number, since it uses as much as digits as its factorization.

1321342203079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 1321342203079 in words is "one trillion, three hundred twenty-one billion, three hundred forty-two million, two hundred three thousand, seventy-nine".