30031423422 has 192 divisors, whose sum is σ = 83244091392. Its totient is φ = 7024089600.

The previous prime is 30031423399. The next prime is 30031423453. The reversal of 30031423422 is 22432413003.

It is a junction number, because it is equal to n+sod(n) for n = 30031423392 and 30031423401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2703163 + ... + 2714249.

It is an arithmetic number, because the mean of its divisors is an integer number (433562976).

Almost surely, 2^30031423422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30031423422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41622045696).

30031423422 is an abundant number, since it is smaller than the sum of its proper divisors (53212667970).

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

30031423422 is a wasteful number, since it uses less digits than its factorization.

30031423422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11175 (or 11164 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30031423422 its reverse (22432413003), we get a palindrome (52463836425).

The spelling of 30031423422 in words is "thirty billion, thirty-one million, four hundred twenty-three thousand, four hundred twenty-two".