30321233320 has 192 divisors, whose sum is σ = 85100544000. Its totient is φ = 9659639808.

The previous prime is 30321233317. The next prime is 30321233329. The reversal of 30321233320 is 2333212303.

It is a junction number, because it is equal to n+sod(n) for n = 30321233291 and 30321233300.

It is not an unprimeable number, because it can be changed into a prime (30321233329) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2626521 + ... + 2638039.

It is an arithmetic number, because the mean of its divisors is an integer number (443232000).

Almost surely, 2^30321233320 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 30321233320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42550272000).

30321233320 is an abundant number, since it is smaller than the sum of its proper divisors (54779310680).

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

30321233320 is a wasteful number, since it uses less digits than its factorization.

30321233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11640 (or 11629 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30321233320 its reverse (2333212303), we get a palindrome (32654445623).

The spelling of 30321233320 in words is "thirty billion, three hundred twenty-one million, two hundred thirty-three thousand, three hundred twenty".