21303211030 has 8 divisors (see below), whose sum is σ = 38345779872. Its totient is φ = 8521284408.

The previous prime is 21303210977. The next prime is 21303211043. The reversal of 21303211030 is 3011230312.

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 = 21303210995 and 21303211013.

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, 1065160542 + ... + 1065160561.

It is an arithmetic number, because the mean of its divisors is an integer number (4793222484).

Almost surely, 2^21303211030 is an apocalyptic number.

21303211030 is a deficient number, since it is larger than the sum of its proper divisors (17042568842).

21303211030 is a wasteful number, since it uses less digits than its factorization.

21303211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130321110.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21303211030 its reverse (3011230312), we get a palindrome (24314441342).

The spelling of 21303211030 in words is "twenty-one billion, three hundred three million, two hundred eleven thousand, thirty".