320230113312 has 48 divisors (see below), whose sum is σ = 840678380640. Its totient is φ = 106733932032.

The previous prime is 320230113199. The next prime is 320230113317. The reversal of 320230113312 is 213311032023.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (320230113317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989188 + ... + 1272380.

It is an arithmetic number, because the mean of its divisors is an integer number (17514132930).

Almost surely, 2^320230113312 is an apocalyptic number.

320230113312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320230113312 is an abundant number, since it is smaller than the sum of its proper divisors (520448267328).

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

320230113312 is a wasteful number, since it uses less digits than its factorization.

320230113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294985 (or 294977 counting only the distinct ones).

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

Adding to 320230113312 its reverse (213311032023), we get a palindrome (533541145335).

The spelling of 320230113312 in words is "three hundred twenty billion, two hundred thirty million, one hundred thirteen thousand, three hundred twelve".