21041303230 has 16 divisors (see below), whose sum is σ = 37915936704. Its totient is φ = 8407278880.

The previous prime is 21041303221. The next prime is 21041303237. The reversal of 21041303230 is 3230314012.

It is a junction number, because it is equal to n+sod(n) for n = 21041303198 and 21041303207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041303237) 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 7 ways as a sum of consecutive naturals, for example, 1145737 + ... + 1163956.

It is an arithmetic number, because the mean of its divisors is an integer number (2369746044).

Almost surely, 2^21041303230 is an apocalyptic number.

21041303230 is a deficient number, since it is larger than the sum of its proper divisors (16874633474).

21041303230 is a wasteful number, since it uses less digits than its factorization.

21041303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310611.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21041303230 its reverse (3230314012), we get a palindrome (24271617242).

The spelling of 21041303230 in words is "twenty-one billion, forty-one million, three hundred three thousand, two hundred thirty".