21343141322 has 16 divisors (see below), whose sum is σ = 32563149120. Its totient is φ = 10488823008.

The previous prime is 21343141321. The next prime is 21343141349. The reversal of 21343141322 is 22314134312.

It is a junction number, because it is equal to n+sod(n) for n = 21343141291 and 21343141300.

It is not an unprimeable number, because it can be changed into a prime (21343141321) 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, 837878 + ... + 862974.

It is an arithmetic number, because the mean of its divisors is an integer number (2035196820).

Almost surely, 2^21343141322 is an apocalyptic number.

21343141322 is a deficient number, since it is larger than the sum of its proper divisors (11220007798).

21343141322 is a wasteful number, since it uses less digits than its factorization.

21343141322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32365.

The product of its digits is 3456, while the sum is 26.

Adding to 21343141322 its reverse (22314134312), we get a palindrome (43657275634).

It can be divided in two parts, 21 and 343141322, that added together give a palindrome (343141343).

The spelling of 21343141322 in words is "twenty-one billion, three hundred forty-three million, one hundred forty-one thousand, three hundred twenty-two".