21302401030 has 8 divisors (see below), whose sum is σ = 38344321872. Its totient is φ = 8520960408.

The previous prime is 21302401013. The next prime is 21302401063. The reversal of 21302401030 is 3010420312.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 21302400995 and 21302401013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065120042 + ... + 1065120061.

It is an arithmetic number, because the mean of its divisors is an integer number (4793040234).

Almost surely, 2^21302401030 is an apocalyptic number.

21302401030 is a deficient number, since it is larger than the sum of its proper divisors (17041920842).

21302401030 is a wasteful number, since it uses less digits than its factorization.

21302401030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130240110.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21302401030 its reverse (3010420312), we get a palindrome (24312821342).

The spelling of 21302401030 in words is "twenty-one billion, three hundred two million, four hundred one thousand, thirty".