1320311331299 has 8 divisors (see below), whose sum is σ = 1323945144720. Its totient is φ = 1316678021856.

The previous prime is 1320311331239. The next prime is 1320311331341. The reversal of 1320311331299 is 9921331130231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320311331299 - 2³⁶ = 1251591854563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320311331239) 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 in 7 ways as a sum of consecutive naturals, for example, 5460632 + ... + 5697290.

It is an arithmetic number, because the mean of its divisors is an integer number (165493143090).

Almost surely, 2^{1320311331299} is an apocalyptic number.

1320311331299 is a deficient number, since it is larger than the sum of its proper divisors (3633813421).

1320311331299 is a wasteful number, since it uses less digits than its factorization.

1320311331299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251989.

The product of its (nonzero) digits is 26244, while the sum is 38.

The spelling of 1320311331299 in words is "one trillion, three hundred twenty billion, three hundred eleven million, three hundred thirty-one thousand, two hundred ninety-nine".