320243132211 has 4 divisors (see below), whose sum is σ = 426990842952. Its totient is φ = 213495421472.

The previous prime is 320243132173. The next prime is 320243132233. The reversal of 320243132211 is 112231342023.

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 320243132211 - 2²⁶ = 320176023347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320243132311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53373855366 + ... + 53373855371.

It is an arithmetic number, because the mean of its divisors is an integer number (106747710738).

Almost surely, 2^320243132211 is an apocalyptic number.

320243132211 is a deficient number, since it is larger than the sum of its proper divisors (106747710741).

320243132211 is a wasteful number, since it uses less digits than its factorization.

320243132211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106747710740.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 320243132211 its reverse (112231342023), we get a palindrome (432474474234).

The spelling of 320243132211 in words is "three hundred twenty billion, two hundred forty-three million, one hundred thirty-two thousand, two hundred eleven".