21232310000030 has 32 divisors (see below), whose sum is σ = 38430423108000. Its totient is φ = 8445884464512.

The previous prime is 21232310000023. The next prime is 21232310000047. The reversal of 21232310000030 is 3000001323212.

It is a junction number, because it is equal to n+sod(n) for n = 21232309999963 and 21232310000008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6853400 + ... + 9456939.

It is an arithmetic number, because the mean of its divisors is an integer number (1200950722125).

Almost surely, 2^{21232310000030} is an apocalyptic number.

21232310000030 is a deficient number, since it is larger than the sum of its proper divisors (17198113107970).

21232310000030 is a wasteful number, since it uses less digits than its factorization.

21232310000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16311068.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21232310000030 its reverse (3000001323212), we get a palindrome (24232311323242).

The spelling of 21232310000030 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred ten million, thirty", and thus it is an aban number.