320131031322 has 64 divisors (see below), whose sum is σ = 663551032320. Its totient is φ = 102857126400.

The previous prime is 320131031317. The next prime is 320131031357. The reversal of 320131031322 is 223130131023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55759372 + ... + 55765112.

It is an arithmetic number, because the mean of its divisors is an integer number (10367984880).

Almost surely, 2^320131031322 is an apocalyptic number.

320131031322 is an abundant number, since it is smaller than the sum of its proper divisors (343420000998).

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

320131031322 is a wasteful number, since it uses less digits than its factorization.

320131031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 320131031322 its reverse (223130131023), we get a palindrome (543261162345).

The spelling of 320131031322 in words is "three hundred twenty billion, one hundred thirty-one million, thirty-one thousand, three hundred twenty-two".