12831315805 has 16 divisors (see below), whose sum is σ = 19196982144. Its totient is φ = 7998742080.

The previous prime is 12831315797. The next prime is 12831315821. The reversal of 12831315805 is 50851313821.

It is a happy number.

It is not a de Polignac number, because 12831315805 - 2³ = 12831315797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16663662 + ... + 16664431.

It is an arithmetic number, because the mean of its divisors is an integer number (1199811384).

Almost surely, 2^12831315805 is an apocalyptic number.

It is an amenable number.

12831315805 is a deficient number, since it is larger than the sum of its proper divisors (6365666339).

12831315805 is a wasteful number, since it uses less digits than its factorization.

12831315805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33328116.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 12831315805 in words is "twelve billion, eight hundred thirty-one million, three hundred fifteen thousand, eight hundred five".