21343141303 has 16 divisors (see below), whose sum is σ = 23368723200. Its totient is φ = 19331887680.

The previous prime is 21343141301. The next prime is 21343141321. The reversal of 21343141303 is 30314134312.

It is a cyclic number.

It is not a de Polignac number, because 21343141303 - 2¹ = 21343141301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21343141301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5430243 + ... + 5434171.

It is an arithmetic number, because the mean of its divisors is an integer number (1460545200).

Almost surely, 2^21343141303 is an apocalyptic number.

21343141303 is a deficient number, since it is larger than the sum of its proper divisors (2025581897).

21343141303 is a wasteful number, since it uses less digits than its factorization.

21343141303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21343141303 its reverse (30314134312), we get a palindrome (51657275615).

The spelling of 21343141303 in words is "twenty-one billion, three hundred forty-three million, one hundred forty-one thousand, three hundred three".