21334210303331 has 16 divisors (see below), whose sum is σ = 21561097916160. Its totient is φ = 21108304719840.

The previous prime is 21334210303309. The next prime is 21334210303361. The reversal of 21334210303331 is 13330301243312.

It is a cyclic number.

It is not a de Polignac number, because 21334210303331 - 2²⁶ = 21334143194467 is a prime.

It is a super-2 number, since 2×21334210303331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21334210303294 and 21334210303303.

It is not an unprimeable number, because it can be changed into a prime (21334210303361) 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, 730433930 + ... + 730463136.

It is an arithmetic number, because the mean of its divisors is an integer number (1347568619760).

Almost surely, 2^{21334210303331} is an apocalyptic number.

21334210303331 is a deficient number, since it is larger than the sum of its proper divisors (226887612829).

21334210303331 is a wasteful number, since it uses less digits than its factorization.

21334210303331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45754.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 21334210303331 its reverse (13330301243312), we get a palindrome (34664511546643).

The spelling of 21334210303331 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, three hundred three thousand, three hundred thirty-one".