831444343444138 has 16 divisors (see below), whose sum is σ = 1290176591220000. Its totient is φ = 401385576018672.

The previous prime is 831444343444087. The next prime is 831444343444159.

831444343444138 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6555588 + ... + 41302111.

It is an arithmetic number, because the mean of its divisors is an integer number (80636036951250).

Almost surely, 2^{831444343444138} is an apocalyptic number.

831444343444138 is a deficient number, since it is larger than the sum of its proper divisors (458732247775862).

831444343444138 is a wasteful number, since it uses less digits than its factorization.

831444343444138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48157269.

The product of its digits is 84934656, while the sum is 58.

The spelling of 831444343444138 in words is "eight hundred thirty-one trillion, four hundred forty-four billion, three hundred forty-three million, four hundred forty-four thousand, one hundred thirty-eight".