21200331211303 has 8 divisors (see below), whose sum is σ = 21210292179648. Its totient is φ = 21190370851584.

The previous prime is 21200331211277. The next prime is 21200331211313. The reversal of 21200331211303 is 30311213300212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21200331211303 - 2¹³ = 21200331203111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200331211313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79163475 + ... + 79430827.

It is an arithmetic number, because the mean of its divisors is an integer number (2651286522456).

Almost surely, 2^{21200331211303} is an apocalyptic number.

21200331211303 is a deficient number, since it is larger than the sum of its proper divisors (9960968345).

21200331211303 is a wasteful number, since it uses less digits than its factorization.

21200331211303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304313.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21200331211303 its reverse (30311213300212), we get a palindrome (51511544511515).

The spelling of 21200331211303 in words is "twenty-one trillion, two hundred billion, three hundred thirty-one million, two hundred eleven thousand, three hundred three".