21300313210003 has 2 divisors, whose sum is σ = 21300313210004. Its totient is φ = 21300313210002.

The previous prime is 21300313209991. The next prime is 21300313210087. The reversal of 21300313210003 is 30001231300312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21300313210003 is a prime.

It is not a weakly prime, because it can be changed into another prime (21300313210103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10650156605001 + 10650156605002.

It is an arithmetic number, because the mean of its divisors is an integer number (10650156605002).

Almost surely, 2^{21300313210003} is an apocalyptic number.

21300313210003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21300313210003 is an equidigital number, since it uses as much as digits as its factorization.

21300313210003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21300313210003 its reverse (30001231300312), we get a palindrome (51301544510315).

The spelling of 21300313210003 in words is "twenty-one trillion, three hundred billion, three hundred thirteen million, two hundred ten thousand, three".