30010000032 has 72 divisors (see below), whose sum is σ = 85665644064. Its totient is φ = 9965272704.

The previous prime is 30009999959. The next prime is 30010000063. The reversal of 30010000032 is 23000001003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30009999969 and 30010000023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122358 + ... + 273845.

It is an arithmetic number, because the mean of its divisors is an integer number (1189800612).

Almost surely, 2^30010000032 is an apocalyptic number.

30010000032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30010000032 is an abundant number, since it is smaller than the sum of its proper divisors (55655644032).

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

30010000032 is a wasteful number, since it uses less digits than its factorization.

30010000032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396482 (or 396471 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 30010000032 its reverse (23000001003), we get a palindrome (53010001035).

The spelling of 30010000032 in words is "thirty billion, ten million, thirty-two", and thus it is an aban number and an uban number.