1320322922309 has 2 divisors, whose sum is σ = 1320322922310. Its totient is φ = 1320322922308.

The previous prime is 1320322922273. The next prime is 1320322922377. The reversal of 1320322922309 is 9032292230231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885650388100 + 434672534209 = 941090^2 + 659297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320322922309 - 2¹⁶ = 1320322856773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320322922609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660161461154 + 660161461155.

It is an arithmetic number, because the mean of its divisors is an integer number (660161461155).

Almost surely, 2^{1320322922309} is an apocalyptic number.

It is an amenable number.

1320322922309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320322922309 is an equidigital number, since it uses as much as digits as its factorization.

1320322922309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 1320322922309 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, nine hundred twenty-two thousand, three hundred nine".