30320331312 has 40 divisors (see below), whose sum is σ = 80149098304. Its totient is φ = 9871735104.

The previous prime is 30320331289. The next prime is 30320331359. The reversal of 30320331312 is 21313302303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7342978 + ... + 7347105.

Almost surely, 2^30320331312 is an apocalyptic number.

It is an amenable number.

30320331312 is an abundant number, since it is smaller than the sum of its proper divisors (49828766992).

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

30320331312 is a wasteful number, since it uses less digits than its factorization.

30320331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14690137 (or 14690131 counting only the distinct ones).

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

Adding to 30320331312 its reverse (21313302303), we get a palindrome (51633633615).

The spelling of 30320331312 in words is "thirty billion, three hundred twenty million, three hundred thirty-one thousand, three hundred twelve".