21342411424313 has 16 divisors (see below), whose sum is σ = 24530929315200. Its totient is φ = 18188913636096.

The previous prime is 21342411424307. The next prime is 21342411424351. The reversal of 21342411424313 is 31342411424312.

It is not a de Polignac number, because 21342411424313 - 2²² = 21342407230009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21342411424303) 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, 2841263 + ... + 7124436.

It is an arithmetic number, because the mean of its divisors is an integer number (1533183082200).

Almost surely, 2^{21342411424313} is an apocalyptic number.

It is an amenable number.

21342411424313 is a deficient number, since it is larger than the sum of its proper divisors (3188517890887).

21342411424313 is a wasteful number, since it uses less digits than its factorization.

21342411424313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967456.

The product of its digits is 55296, while the sum is 35.

Adding to 21342411424313 its reverse (31342411424312), we get a palindrome (52684822848625).

Subtracting 21342411424313 from its reverse (31342411424312), we obtain a palindrome (9999999999999).

The spelling of 21342411424313 in words is "twenty-one trillion, three hundred forty-two billion, four hundred eleven million, four hundred twenty-four thousand, three hundred thirteen".