21313200333 has 8 divisors (see below), whose sum is σ = 28439617696. Its totient is φ = 14197791600.

The previous prime is 21313200331. The next prime is 21313200343. The reversal of 21313200333 is 33300231312.

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

It is not a de Polignac number, because 21313200333 - 2¹ = 21313200331 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 (21313200331) 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 7 ways as a sum of consecutive naturals, for example, 2747638 + ... + 2755383.

It is an arithmetic number, because the mean of its divisors is an integer number (3554952212).

Almost surely, 2^21313200333 is an apocalyptic number.

It is an amenable number.

21313200333 is a deficient number, since it is larger than the sum of its proper divisors (7126417363).

21313200333 is a wasteful number, since it uses less digits than its factorization.

21313200333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504315.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 21313200333 its reverse (33300231312), we get a palindrome (54613431645).

The spelling of 21313200333 in words is "twenty-one billion, three hundred thirteen million, two hundred thousand, three hundred thirty-three".