21332312331322 has 32 divisors (see below), whose sum is σ = 33255431516160. Its totient is φ = 10252064712960.

The previous prime is 21332312331301. The next prime is 21332312331329. The reversal of 21332312331322 is 22313321323312.

It is a super-3 number, since 3×21332312331322³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (21332312331329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4205004 + ... + 7768312.

It is an arithmetic number, because the mean of its divisors is an integer number (1039232234880).

Almost surely, 2^{21332312331322} is an apocalyptic number.

21332312331322 is a deficient number, since it is larger than the sum of its proper divisors (11923119184838).

21332312331322 is a wasteful number, since it uses less digits than its factorization.

21332312331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563998.

The product of its digits is 23328, while the sum is 31.

Adding to 21332312331322 its reverse (22313321323312), we get a palindrome (43645633654634).

The spelling of 21332312331322 in words is "twenty-one trillion, three hundred thirty-two billion, three hundred twelve million, three hundred thirty-one thousand, three hundred twenty-two".