30321421350 has 96 divisors (see below), whose sum is σ = 82146956544. Its totient is φ = 7340457600.

The previous prime is 30321421343. The next prime is 30321421367. The reversal of 30321421350 is 5312412303.

It is a self number, because there is not a number n which added to its sum of digits gives 30321421350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1213584 + ... + 1238316.

It is an arithmetic number, because the mean of its divisors is an integer number (855697464).

Almost surely, 2^30321421350 is an apocalyptic number.

30321421350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30321421350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41073478272).

30321421350 is an abundant number, since it is smaller than the sum of its proper divisors (51825535194).

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

30321421350 is a wasteful number, since it uses less digits than its factorization.

30321421350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25502 (or 25497 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 30321421350 its reverse (5312412303), we get a palindrome (35633833653).

The spelling of 30321421350 in words is "thirty billion, three hundred twenty-one million, four hundred twenty-one thousand, three hundred fifty".