21313433322 has 48 divisors (see below), whose sum is σ = 48538751040. Its totient is φ = 6745966656.

The previous prime is 21313433291. The next prime is 21313433329. The reversal of 21313433322 is 22333431312.

21313433322 is a `hidden beast` number, since 21 + 313 + 4 + 3 + 3 + 322 = 666.

It is not an unprimeable number, because it can be changed into a prime (21313433329) 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 23 ways as a sum of consecutive naturals, for example, 131172 + ... + 244607.

It is an arithmetic number, because the mean of its divisors is an integer number (1011223980).

Almost surely, 2^21313433322 is an apocalyptic number.

21313433322 is an abundant number, since it is smaller than the sum of its proper divisors (27225317718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21313433322 is a wasteful number, since it uses less digits than its factorization.

21313433322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375947 (or 375944 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 21313433322 its reverse (22333431312), we get a palindrome (43646864634).

The spelling of 21313433322 in words is "twenty-one billion, three hundred thirteen million, four hundred thirty-three thousand, three hundred twenty-two".