30231222030 has 256 divisors, whose sum is σ = 84320870400. Its totient is φ = 7702387200.

The previous prime is 30231222019. The next prime is 30231222037. The reversal of 30231222030 is 3022213203.

It is a happy number.

30231222030 is a `hidden beast` number, since 302 + 312 + 2 + 20 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30231221994 and 30231222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231222037) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 132013956 + ... + 132014184.

It is an arithmetic number, because the mean of its divisors is an integer number (329378400).

Almost surely, 2^30231222030 is an apocalyptic number.

30231222030 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 30231222030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42160435200).

30231222030 is an abundant number, since it is smaller than the sum of its proper divisors (54089648370).

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

30231222030 is a wasteful number, since it uses less digits than its factorization.

30231222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30231222030 its reverse (3022213203), we get a palindrome (33253435233).

The spelling of 30231222030 in words is "thirty billion, two hundred thirty-one million, two hundred twenty-two thousand, thirty".