30242312320 has 128 divisors (see below), whose sum is σ = 79870406400. Its totient is φ = 10857799680.

The previous prime is 30242312281. The next prime is 30242312339. The reversal of 30242312320 is 2321324203.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30242312291 and 30242312300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528972 + ... + 583348.

It is an arithmetic number, because the mean of its divisors is an integer number (623987550).

Almost surely, 2^30242312320 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 30242312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39935203200).

30242312320 is an abundant number, since it is smaller than the sum of its proper divisors (49628094080).

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

30242312320 is a wasteful number, since it uses less digits than its factorization.

30242312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54486 (or 54474 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30242312320 its reverse (2321324203), we get a palindrome (32563636523).

The spelling of 30242312320 in words is "thirty billion, two hundred forty-two million, three hundred twelve thousand, three hundred twenty".