13321342105 has 8 divisors (see below), whose sum is σ = 15993103752. Its totient is φ = 10652078208.

The previous prime is 13321342091. The next prime is 13321342109. The reversal of 13321342105 is 50124312331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1539542169 + 11781799936 = 39237^2 + 108544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13321342105 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13321342105.

It is not an unprimeable number, because it can be changed into a prime (13321342109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612682 + ... + 634051.

It is an arithmetic number, because the mean of its divisors is an integer number (1999137969).

Almost surely, 2^13321342105 is an apocalyptic number.

It is an amenable number.

13321342105 is a deficient number, since it is larger than the sum of its proper divisors (2671761647).

13321342105 is a wasteful number, since it uses less digits than its factorization.

13321342105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248875.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13321342105 its reverse (50124312331), we get a palindrome (63445654436).

The spelling of 13321342105 in words is "thirteen billion, three hundred twenty-one million, three hundred forty-two thousand, one hundred five".