320321122 has 16 divisors (see below), whose sum is σ = 528498144. Its totient is φ = 145599300.

The previous prime is 320321107. The next prime is 320321129. The reversal of 320321122 is 221123023.

It is a junction number, because it is equal to n+sod(n) for n = 320321096 and 320321105.

It is not an unprimeable number, because it can be changed into a prime (320321129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57504 + ... + 62827.

It is an arithmetic number, because the mean of its divisors is an integer number (33031134).

Almost surely, 2^320321122 is an apocalyptic number.

320321122 is a deficient number, since it is larger than the sum of its proper divisors (208177022).

320321122 is a wasteful number, since it uses less digits than its factorization.

320321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120366 (or 120344 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320321122 is about 17897.5172021149. The cubic root of 320321122 is about 684.2190983872.

Adding to 320321122 its reverse (221123023), we get a palindrome (541444145).

The spelling of 320321122 in words is "three hundred twenty million, three hundred twenty-one thousand, one hundred twenty-two".