12828346831 has 4 divisors (see below), whose sum is σ = 13503523000. Its totient is φ = 12153170664.

The previous prime is 12828346819. The next prime is 12828346859. The reversal of 12828346831 is 13864382821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13864382821 = 19 ⋅729704359.

It is a cyclic number.

It is not a de Polignac number, because 12828346831 - 2⁵ = 12828346799 is a prime.

It is a super-3 number, since 3×12828346831³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12828346801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337588056 + ... + 337588093.

It is an arithmetic number, because the mean of its divisors is an integer number (3375880750).

Almost surely, 2^12828346831 is an apocalyptic number.

12828346831 is a deficient number, since it is larger than the sum of its proper divisors (675176169).

12828346831 is an equidigital number, since it uses as much as digits as its factorization.

12828346831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675176168.

The product of its digits is 442368, while the sum is 46.

The spelling of 12828346831 in words is "twelve billion, eight hundred twenty-eight million, three hundred forty-six thousand, eight hundred thirty-one".