320130330312 has 64 divisors (see below), whose sum is σ = 864831199680. Its totient is φ = 98165428992.

The previous prime is 320130330271. The next prime is 320130330313. The reversal of 320130330312 is 213033031023.

It is not an unprimeable number, because it can be changed into a prime (320130330313) 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, 1659538 + ... + 1842369.

It is an arithmetic number, because the mean of its divisors is an integer number (13512987495).

Almost surely, 2^320130330312 is an apocalyptic number.

It is an amenable number.

320130330312 is an abundant number, since it is smaller than the sum of its proper divisors (544700869368).

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

320130330312 is a wasteful number, since it uses less digits than its factorization.

320130330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502222 (or 3502218 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 320130330312 its reverse (213033031023), we get a palindrome (533163361335).

The spelling of 320130330312 in words is "three hundred twenty billion, one hundred thirty million, three hundred thirty thousand, three hundred twelve".