320311000122 has 32 divisors (see below), whose sum is σ = 651556047744. Its totient is φ = 104950315200.

The previous prime is 320311000103. The next prime is 320311000151. The reversal of 320311000122 is 221000113023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263428 + ... + 842624.

It is an arithmetic number, because the mean of its divisors is an integer number (20361126492).

Almost surely, 2^320311000122 is an apocalyptic number.

320311000122 is an abundant number, since it is smaller than the sum of its proper divisors (331245047622).

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

320311000122 is a wasteful number, since it uses less digits than its factorization.

320311000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580774.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 320311000122 its reverse (221000113023), we get a palindrome (541311113145).

The spelling of 320311000122 in words is "three hundred twenty billion, three hundred eleven million, one hundred twenty-two", and thus it is an aban number.