1320322322309 has 4 divisors (see below), whose sum is σ = 1320324635904. Its totient is φ = 1320320008716.

The previous prime is 1320322322287. The next prime is 1320322322357. The reversal of 1320322322309 is 9032232230231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1320322322309 - 2³⁶ = 1251602845573 is a prime.

It is a super-3 number, since 3×1320322322309³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320322922309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377954 + ... + 1668380.

It is an arithmetic number, because the mean of its divisors is an integer number (330081158976).

Almost surely, 2^{1320322322309} is an apocalyptic number.

It is an amenable number.

1320322322309 is a deficient number, since it is larger than the sum of its proper divisors (2313595).

1320322322309 is a wasteful number, since it uses less digits than its factorization.

1320322322309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313594.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 1320322322309 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, three hundred twenty-two thousand, three hundred nine".