320318813022 has 32 divisors (see below), whose sum is σ = 719913858048. Its totient is φ = 94274432736.

The previous prime is 320318813011. The next prime is 320318813027. The reversal of 320318813022 is 220318813023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320318813027) 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, 89273238 + ... + 89276825.

It is an arithmetic number, because the mean of its divisors is an integer number (22497308064).

Almost surely, 2^320318813022 is an apocalyptic number.

320318813022 is an abundant number, since it is smaller than the sum of its proper divisors (399595045026).

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

320318813022 is a wasteful number, since it uses less digits than its factorization.

320318813022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178550104.

The product of its (nonzero) digits is 13824, while the sum is 33.

Subtracting from 320318813022 its reverse (220318813023), we obtain a palindrome (99999999999).

The spelling of 320318813022 in words is "three hundred twenty billion, three hundred eighteen million, eight hundred thirteen thousand, twenty-two".