13328131805 has 16 divisors (see below), whose sum is σ = 16301326464. Its totient is φ = 10457603520.

The previous prime is 13328131781. The next prime is 13328131871. The reversal of 13328131805 is 50813182331.

It is not a de Polignac number, because 13328131805 - 2²⁰ = 13327083229 is a prime.

It is a super-2 number, since 2×13328131805² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 917912 + ... + 932318.

It is an arithmetic number, because the mean of its divisors is an integer number (1018832904).

Almost surely, 2^13328131805 is an apocalyptic number.

It is an amenable number.

13328131805 is a deficient number, since it is larger than the sum of its proper divisors (2973194659).

13328131805 is a wasteful number, since it uses less digits than its factorization.

13328131805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17956.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 13328131805 in words is "thirteen billion, three hundred twenty-eight million, one hundred thirty-one thousand, eight hundred five".