320321321322 has 64 divisors (see below), whose sum is σ = 705481881984. Its totient is φ = 96546723840.

The previous prime is 320321321303. The next prime is 320321321329. The reversal of 320321321322 is 223123123023.

It is a junction number, because it is equal to n+sod(n) for n = 320321321292 and 320321321301.

It is not an unprimeable number, because it can be changed into a prime (320321321329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331083 + ... + 866174.

It is an arithmetic number, because the mean of its divisors is an integer number (11023154406).

Almost surely, 2^320321321322 is an apocalyptic number.

320321321322 is an abundant number, since it is smaller than the sum of its proper divisors (385160560662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320321321322 is a wasteful number, since it uses less digits than its factorization.

320321321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197383.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 320321321322 its reverse (223123123023), we get a palindrome (543444444345).

The spelling of 320321321322 in words is "three hundred twenty billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred twenty-two".