21343133141 has 8 divisors (see below), whose sum is σ = 23453371584. Its totient is φ = 19261220320.

The previous prime is 21343133137. The next prime is 21343133159. The reversal of 21343133141 is 14133134312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21343133141 - 2² = 21343133137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21343133141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21343133101) 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, 7079825 + ... + 7082838.

It is an arithmetic number, because the mean of its divisors is an integer number (2931671448).

Almost surely, 2^21343133141 is an apocalyptic number.

It is an amenable number.

21343133141 is a deficient number, since it is larger than the sum of its proper divisors (2110238443).

21343133141 is a wasteful number, since it uses less digits than its factorization.

21343133141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162811.

The product of its digits is 2592, while the sum is 26.

Adding to 21343133141 its reverse (14133134312), we get a palindrome (35476267453).

The spelling of 21343133141 in words is "twenty-one billion, three hundred forty-three million, one hundred thirty-three thousand, one hundred forty-one".