320321031322 has 32 divisors (see below), whose sum is σ = 493861737600. Its totient is φ = 155779236288.

The previous prime is 320321031313. The next prime is 320321031323. The reversal of 320321031322 is 223130123023.

It is a junction number, because it is equal to n+sod(n) for n = 320321031293 and 320321031302.

It is not an unprimeable number, because it can be changed into a prime (320321031323) 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, 2784379 + ... + 2897137.

It is an arithmetic number, because the mean of its divisors is an integer number (15433179300).

Almost surely, 2^320321031322 is an apocalyptic number.

320321031322 is a deficient number, since it is larger than the sum of its proper divisors (173540706278).

320321031322 is a wasteful number, since it uses less digits than its factorization.

320321031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113110.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 320321031322 its reverse (223130123023), we get a palindrome (543451154345).

The spelling of 320321031322 in words is "three hundred twenty billion, three hundred twenty-one million, thirty-one thousand, three hundred twenty-two".