30032110021 has 4 divisors (see below), whose sum is σ = 30034497312. Its totient is φ = 30029722732.

The previous prime is 30032110007. The next prime is 30032110027. The reversal of 30032110021 is 12001123003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30032110021 - 2³¹ = 27884626373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30032109983 and 30032110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30032110027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1174675 + ... + 1199968.

It is an arithmetic number, because the mean of its divisors is an integer number (7508624328).

Almost surely, 2^30032110021 is an apocalyptic number.

It is an amenable number.

30032110021 is a deficient number, since it is larger than the sum of its proper divisors (2387291).

30032110021 is a wasteful number, since it uses less digits than its factorization.

30032110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387290.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30032110021 its reverse (12001123003), we get a palindrome (42033233024).

The spelling of 30032110021 in words is "thirty billion, thirty-two million, one hundred ten thousand, twenty-one".