30000000030 has 256 divisors, whose sum is σ = 101761228800. Its totient is φ = 5451287040.

The previous prime is 30000000013. The next prime is 30000000053. The reversal of 30000000030 is 3000000003.

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 a junction number, because it is equal to n+sod(n) for n = 29999999946 and 30000000018.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 544281 + ... + 596859.

It is an arithmetic number, because the mean of its divisors is an integer number (397504800).

Almost surely, 2^30000000030 is an apocalyptic number.

30000000030 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 30000000030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50880614400).

30000000030 is an abundant number, since it is smaller than the sum of its proper divisors (71761228770).

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

30000000030 is a wasteful number, since it uses less digits than its factorization.

30000000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52639.

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

Adding to 30000000030 its reverse (3000000003), we get a palindrome (33000000033).

The spelling of 30000000030 in words is "thirty billion, thirty", and thus it is an aban number, an eban number, and an uban number.