21303100002 has 32 divisors (see below), whose sum is σ = 43273626624. Its totient is φ = 6990107600.

The previous prime is 21303100001. The next prime is 21303100003. The reversal of 21303100002 is 20000130312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21303100001) and next prime (21303100003).

It is not an unprimeable number, because it can be changed into a prime (21303100001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236977 + ... + 314267.

It is an arithmetic number, because the mean of its divisors is an integer number (1352300832).

Almost surely, 2^21303100002 is an apocalyptic number.

21303100002 is an abundant number, since it is smaller than the sum of its proper divisors (21970526622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21303100002 is a wasteful number, since it uses less digits than its factorization.

21303100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78014.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 21303100002 its reverse (20000130312), we get a palindrome (41303230314).

The spelling of 21303100002 in words is "twenty-one billion, three hundred three million, one hundred thousand, two".