21223131414 has 32 divisors (see below), whose sum is σ = 42990483456. Its totient is φ = 6984079200.

The previous prime is 21223131401. The next prime is 21223131421. The reversal of 21223131414 is 41413132212.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 159819 + ... + 260745.

It is an arithmetic number, because the mean of its divisors is an integer number (1343452608).

Almost surely, 2^21223131414 is an apocalyptic number.

21223131414 is an abundant number, since it is smaller than the sum of its proper divisors (21767352042).

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

21223131414 is a wasteful number, since it uses less digits than its factorization.

21223131414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101380.

The product of its digits is 1152, while the sum is 24.

Adding to 21223131414 its reverse (41413132212), we get a palindrome (62636263626).

The spelling of 21223131414 in words is "twenty-one billion, two hundred twenty-three million, one hundred thirty-one thousand, four hundred fourteen".