30430200021 has 8 divisors (see below), whose sum is σ = 43694646240. Its totient is φ = 18726276912.

The previous prime is 30430200013. The next prime is 30430200037. The reversal of 30430200021 is 12000203403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30430200021 - 2³ = 30430200013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430200121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390130731 + ... + 390130808.

It is an arithmetic number, because the mean of its divisors is an integer number (5461830780).

Almost surely, 2^30430200021 is an apocalyptic number.

It is an amenable number.

30430200021 is a deficient number, since it is larger than the sum of its proper divisors (13264446219).

30430200021 is a wasteful number, since it uses less digits than its factorization.

30430200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780261555.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30430200021 its reverse (12000203403), we get a palindrome (42430403424).

The spelling of 30430200021 in words is "thirty billion, four hundred thirty million, two hundred thousand, twenty-one".