21303331322 has 32 divisors (see below), whose sum is σ = 39593232000. Its totient is φ = 8371119168.

The previous prime is 21303331319. The next prime is 21303331351. The reversal of 21303331322 is 22313330312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365672 + ... + 419907.

It is an arithmetic number, because the mean of its divisors is an integer number (1237288500).

Almost surely, 2^21303331322 is an apocalyptic number.

21303331322 is a deficient number, since it is larger than the sum of its proper divisors (18289900678).

21303331322 is a wasteful number, since it uses less digits than its factorization.

21303331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785750.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21303331322 its reverse (22313330312), we get a palindrome (43616661634).

The spelling of 21303331322 in words is "twenty-one billion, three hundred three million, three hundred thirty-one thousand, three hundred twenty-two".