30000030000 has 200 divisors, whose sum is σ = 97812827376. Its totient is φ = 7920000000.

The previous prime is 30000029989. The next prime is 30000030001. The reversal of 30000030000 is 3000003.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (30000030001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3025050 + ... + 3034950.

Almost surely, 2^30000030000 is an apocalyptic number.

30000030000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30000030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48906413688).

30000030000 is an abundant number, since it is smaller than the sum of its proper divisors (67812797376).

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

30000030000 is a wasteful number, since it uses less digits than its factorization.

30000030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033 (or 10012 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 6.

Adding to 30000030000 its reverse (3000003), we get a palindrome (30003030003).

30000030000 divided by its reverse (3000003) gives a 4-th power (10000 = 10⁴).

The spelling of 30000030000 in words is "thirty billion, thirty thousand", and thus it is an eban number.