831442244138 has 16 divisors (see below), whose sum is σ = 1366187264640. Its totient is φ = 376360123200.

The previous prime is 831442244137. The next prime is 831442244161.

831442244138 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (831442244137) 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, 78403058 + ... + 78413661.

It is an arithmetic number, because the mean of its divisors is an integer number (85386704040).

Almost surely, 2^831442244138 is an apocalyptic number.

831442244138 is a deficient number, since it is larger than the sum of its proper divisors (534745020502).

831442244138 is a wasteful number, since it uses less digits than its factorization.

831442244138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156816973.

The product of its digits is 589824, while the sum is 44.

The spelling of 831442244138 in words is "eight hundred thirty-one billion, four hundred forty-two million, two hundred forty-four thousand, one hundred thirty-eight".