1320330211 has 4 divisors (see below), whose sum is σ = 1397996712. Its totient is φ = 1242663712.

The previous prime is 1320330199. The next prime is 1320330283. The reversal of 1320330211 is 1120330231.

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 1320330211 - 2¹⁵ = 1320297443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320330611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38833225 + ... + 38833258.

It is an arithmetic number, because the mean of its divisors is an integer number (349499178).

Almost surely, 2^1320330211 is an apocalyptic number.

1320330211 is a deficient number, since it is larger than the sum of its proper divisors (77666501).

1320330211 is an equidigital number, since it uses as much as digits as its factorization.

1320330211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77666500.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1320330211 is about 36336.3483443232. The cubic root of 1320330211 is about 1097.0527747518.

Adding to 1320330211 its reverse (1120330231), we get a palindrome (2440660442).

The spelling of 1320330211 in words is "one billion, three hundred twenty million, three hundred thirty thousand, two hundred eleven".