30100029988 has 96 divisors (see below), whose sum is σ = 64645507584. Its totient is φ = 11981426688.

The previous prime is 30100029959. The next prime is 30100029989. The reversal of 30100029988 is 88992000103.

It is a self number, because there is not a number n which added to its sum of digits gives 30100029988.

It is not an unprimeable number, because it can be changed into a prime (30100029989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16035306 + ... + 16037182.

It is an arithmetic number, because the mean of its divisors is an integer number (673390704).

Almost surely, 2^30100029988 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 30100029988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32322753792).

30100029988 is an abundant number, since it is smaller than the sum of its proper divisors (34545477596).

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

30100029988 is a wasteful number, since it uses less digits than its factorization.

30100029988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 30100029988 in words is "thirty billion, one hundred million, twenty-nine thousand, nine hundred eighty-eight".