21303010030 has 8 divisors (see below), whose sum is σ = 38345418072. Its totient is φ = 8521204008.

The previous prime is 21303010013. The next prime is 21303010033. The reversal of 21303010030 is 3001030312.

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 (21303010033) 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, 1065150492 + ... + 1065150511.

It is an arithmetic number, because the mean of its divisors is an integer number (4793177259).

Almost surely, 2^21303010030 is an apocalyptic number.

21303010030 is a deficient number, since it is larger than the sum of its proper divisors (17042408042).

21303010030 is a wasteful number, since it uses less digits than its factorization.

21303010030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130301010.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 21303010030 its reverse (3001030312), we get a palindrome (24304040342).

The spelling of 21303010030 in words is "twenty-one billion, three hundred three million, ten thousand, thirty".