21303334303113 has 32 divisors (see below), whose sum is σ = 28633367281792. Its totient is φ = 14088235392000.

The previous prime is 21303334303103. The next prime is 21303334303127. The reversal of 21303334303113 is 31130343330312.

It is a happy number.

It is not a de Polignac number, because 21303334303113 - 2¹² = 21303334299017 is a prime.

It is a super-2 number, since 2×21303334303113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21303334303103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 704157495 + ... + 704187747.

It is an arithmetic number, because the mean of its divisors is an integer number (894792727556).

Almost surely, 2^{21303334303113} is an apocalyptic number.

It is an amenable number.

21303334303113 is a deficient number, since it is larger than the sum of its proper divisors (7330032978679).

21303334303113 is a wasteful number, since it uses less digits than its factorization.

21303334303113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34105.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 21303334303113 its reverse (31130343330312), we get a palindrome (52433677633425).

The spelling of 21303334303113 in words is "twenty-one trillion, three hundred three billion, three hundred thirty-four million, three hundred three thousand, one hundred thirteen".