21341324103 has 8 divisors (see below), whose sum is σ = 31041926016. Its totient is φ = 12934135800.

The previous prime is 21341324047. The next prime is 21341324107. The reversal of 21341324103 is 30142314312.

It is a happy number.

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

It is not a de Polignac number, because 21341324103 - 2¹⁰ = 21341323079 is a prime.

It is a super-2 number, since 2×21341324103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21341324107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323353363 + ... + 323353428.

It is an arithmetic number, because the mean of its divisors is an integer number (3880240752).

Almost surely, 2^21341324103 is an apocalyptic number.

21341324103 is a deficient number, since it is larger than the sum of its proper divisors (9700601913).

21341324103 is a wasteful number, since it uses less digits than its factorization.

21341324103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646706805.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21341324103 its reverse (30142314312), we get a palindrome (51483638415).

The spelling of 21341324103 in words is "twenty-one billion, three hundred forty-one million, three hundred twenty-four thousand, one hundred three".