21334052303 has 2 divisors, whose sum is σ = 21334052304. Its totient is φ = 21334052302.

The previous prime is 21334052261. The next prime is 21334052309. The reversal of 21334052303 is 30325043312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21334052303 - 2¹⁰ = 21334051279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21334052309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10667026151 + 10667026152.

It is an arithmetic number, because the mean of its divisors is an integer number (10667026152).

Almost surely, 2^21334052303 is an apocalyptic number.

21334052303 is a deficient number, since it is larger than the sum of its proper divisors (1).

21334052303 is an equidigital number, since it uses as much as digits as its factorization.

21334052303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 21334052303 its reverse (30325043312), we get a palindrome (51659095615).

The spelling of 21334052303 in words is "twenty-one billion, three hundred thirty-four million, fifty-two thousand, three hundred three".