320311101211 has 16 divisors (see below), whose sum is σ = 354424080384. Its totient is φ = 288193256064.

The previous prime is 320311101181. The next prime is 320311101233. The reversal of 320311101211 is 112101113023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320311101211 - 2⁷ = 320311101083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320311101511) 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 15 ways as a sum of consecutive naturals, for example, 4627155 + ... + 4695868.

It is an arithmetic number, because the mean of its divisors is an integer number (22151505024).

Almost surely, 2^320311101211 is an apocalyptic number.

320311101211 is a deficient number, since it is larger than the sum of its proper divisors (34112979173).

320311101211 is a wasteful number, since it uses less digits than its factorization.

320311101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323130.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 320311101211 its reverse (112101113023), we get a palindrome (432412214234).

The spelling of 320311101211 in words is "three hundred twenty billion, three hundred eleven million, one hundred one thousand, two hundred eleven".