21314110343 has 2 divisors, whose sum is σ = 21314110344. Its totient is φ = 21314110342.

The previous prime is 21314110333. The next prime is 21314110397. The reversal of 21314110343 is 34301141312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21314110343 - 2¹⁰ = 21314109319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21314110333) 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 as a sum of consecutive naturals, namely, 10657055171 + 10657055172.

It is an arithmetic number, because the mean of its divisors is an integer number (10657055172).

Almost surely, 2^21314110343 is an apocalyptic number.

21314110343 is a deficient number, since it is larger than the sum of its proper divisors (1).

21314110343 is an equidigital number, since it uses as much as digits as its factorization.

21314110343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21314110343 its reverse (34301141312), we get a palindrome (55615251655).

The spelling of 21314110343 in words is "twenty-one billion, three hundred fourteen million, one hundred ten thousand, three hundred forty-three".