30332013221320 has 128 divisors (see below), whose sum is σ = 70448231075040. Its totient is φ = 11746088386560.

The previous prime is 30332013221261. The next prime is 30332013221333. The reversal of 30332013221320 is 2312231023303.

It can be written as a sum of positive squares in 16 ways, for example, as 124040613636 + 30207972607684 = 352194^2 + 5496178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 636494614 + ... + 636542266.

Almost surely, 2^{30332013221320} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30332013221320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35224115537520).

30332013221320 is an abundant number, since it is smaller than the sum of its proper divisors (40116217853720).

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

30332013221320 is a wasteful number, since it uses less digits than its factorization.

30332013221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50675 (or 50671 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30332013221320 its reverse (2312231023303), we get a palindrome (32644244244623).

The spelling of 30332013221320 in words is "thirty trillion, three hundred thirty-two billion, thirteen million, two hundred twenty-one thousand, three hundred twenty".