21413231243103 has 48 divisors (see below), whose sum is σ = 33235284386304. Its totient is φ = 12227688910080.

The previous prime is 21413231243077. The next prime is 21413231243113. The reversal of 21413231243103 is 30134213231412.

It is not a de Polignac number, because 21413231243103 - 2⁸ = 21413231242847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413231243113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2343568951 + ... + 2343578087.

It is an arithmetic number, because the mean of its divisors is an integer number (692401758048).

Almost surely, 2^{21413231243103} is an apocalyptic number.

21413231243103 is a deficient number, since it is larger than the sum of its proper divisors (11822053143201).

21413231243103 is a wasteful number, since it uses less digits than its factorization.

21413231243103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18412 (or 18405 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 21413231243103 its reverse (30134213231412), we get a palindrome (51547444474515).

The spelling of 21413231243103 in words is "twenty-one trillion, four hundred thirteen billion, two hundred thirty-one million, two hundred forty-three thousand, one hundred three".