21000303230 has 8 divisors (see below), whose sum is σ = 37800545832. Its totient is φ = 8400121288.

The previous prime is 21000303211. The next prime is 21000303239. The reversal of 21000303230 is 3230300012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21000303239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050015152 + ... + 1050015171.

It is an arithmetic number, because the mean of its divisors is an integer number (4725068229).

Almost surely, 2^21000303230 is an apocalyptic number.

21000303230 is a deficient number, since it is larger than the sum of its proper divisors (16800242602).

21000303230 is a wasteful number, since it uses less digits than its factorization.

21000303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100030330.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 21000303230 its reverse (3230300012), we get a palindrome (24230603242).

The spelling of 21000303230 in words is "twenty-one billion, three hundred three thousand, two hundred thirty".