21322203313 has 16 divisors (see below), whose sum is σ = 22702288000. Its totient is φ = 19968394752.

The previous prime is 21322203311. The next prime is 21322203323. The reversal of 21322203313 is 31330222312.

It is a cyclic number.

It is not a de Polignac number, because 21322203313 - 2¹ = 21322203311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322203311) 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 15 ways as a sum of consecutive naturals, for example, 1687423 + ... + 1700011.

It is an arithmetic number, because the mean of its divisors is an integer number (1418893000).

Almost surely, 2^21322203313 is an apocalyptic number.

It is an amenable number.

21322203313 is a deficient number, since it is larger than the sum of its proper divisors (1380084687).

21322203313 is a wasteful number, since it uses less digits than its factorization.

21322203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21322203313 its reverse (31330222312), we get a palindrome (52652425625).

The spelling of 21322203313 in words is "twenty-one billion, three hundred twenty-two million, two hundred three thousand, three hundred thirteen".