1301320322999 has 4 divisors (see below), whose sum is σ = 1323376599720. Its totient is φ = 1279264046280.

The previous prime is 1301320322959. The next prime is 1301320323053. The reversal of 1301320322999 is 9992230231031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1301320322999 - 2²⁸ = 1301051887543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301320322959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11028138272 + ... + 11028138389.

It is an arithmetic number, because the mean of its divisors is an integer number (330844149930).

Almost surely, 2^{1301320322999} is an apocalyptic number.

1301320322999 is a deficient number, since it is larger than the sum of its proper divisors (22056276721).

1301320322999 is an equidigital number, since it uses as much as digits as its factorization.

1301320322999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22056276720.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 1301320322999 in words is "one trillion, three hundred one billion, three hundred twenty million, three hundred twenty-two thousand, nine hundred ninety-nine".