320223211311 has 16 divisors (see below), whose sum is σ = 430174854144. Its totient is φ = 211877536704.

The previous prime is 320223211289. The next prime is 320223211327. The reversal of 320223211311 is 113112322023.

It is not a de Polignac number, because 320223211311 - 2⁶ = 320223211247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320223211331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1850100 + ... + 2015766.

It is an arithmetic number, because the mean of its divisors is an integer number (26885928384).

Almost surely, 2^320223211311 is an apocalyptic number.

320223211311 is a deficient number, since it is larger than the sum of its proper divisors (109951642833).

320223211311 is a wasteful number, since it uses less digits than its factorization.

320223211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170510.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 320223211311 its reverse (113112322023), we get a palindrome (433335533334).

The spelling of 320223211311 in words is "three hundred twenty billion, two hundred twenty-three million, two hundred eleven thousand, three hundred eleven".