320331013312 has 28 divisors (see below), whose sum is σ = 635674904416. Its totient is φ = 160160958720.

The previous prime is 320331013309. The next prime is 320331013333. The reversal of 320331013312 is 213310133023.

It is a super-2 number, since 2×320331013312² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081513 + ... + 4159255.

Almost surely, 2^320331013312 is an apocalyptic number.

320331013312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320331013312 is a deficient number, since it is larger than the sum of its proper divisors (315343891104).

320331013312 is an equidigital number, since it uses as much as digits as its factorization.

320331013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142136 (or 142126 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 320331013312 its reverse (213310133023), we get a palindrome (533641146335).

The spelling of 320331013312 in words is "three hundred twenty billion, three hundred thirty-one million, thirteen thousand, three hundred twelve".