21331114342 has 16 divisors (see below), whose sum is σ = 33413200992. Its totient is φ = 10194085440.

The previous prime is 21331114333. The next prime is 21331114367. The reversal of 21331114342 is 24341113312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114753 + ... + 236284.

It is an arithmetic number, because the mean of its divisors is an integer number (2088325062).

Almost surely, 2^21331114342 is an apocalyptic number.

21331114342 is a deficient number, since it is larger than the sum of its proper divisors (12082086650).

21331114342 is a wasteful number, since it uses less digits than its factorization.

21331114342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352383.

The product of its digits is 1728, while the sum is 25.

Adding to 21331114342 its reverse (24341113312), we get a palindrome (45672227654).

The spelling of 21331114342 in words is "twenty-one billion, three hundred thirty-one million, one hundred fourteen thousand, three hundred forty-two".