21412341303 has 16 divisors (see below), whose sum is σ = 29795890176. Its totient is φ = 13652043680.

The previous prime is 21412341281. The next prime is 21412341317. The reversal of 21412341303 is 30314321412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21412341303 - 2⁸ = 21412341047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412341323) 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 15 ways as a sum of consecutive naturals, for example, 478633 + ... + 521453.

It is an arithmetic number, because the mean of its divisors is an integer number (1862243136).

Almost surely, 2^21412341303 is an apocalyptic number.

21412341303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21412341303 is a deficient number, since it is larger than the sum of its proper divisors (8383548873).

21412341303 is a wasteful number, since it uses less digits than its factorization.

21412341303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50094.

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

Adding to 21412341303 its reverse (30314321412), we get a palindrome (51726662715).

The spelling of 21412341303 in words is "twenty-one billion, four hundred twelve million, three hundred forty-one thousand, three hundred three".