831360063138 has 32 divisors (see below), whose sum is σ = 1821402994752. Its totient is φ = 250881945600.

The previous prime is 831360063133. The next prime is 831360063139.

831360063138 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 831360063138.

It is not an unprimeable number, because it can be changed into a prime (831360063133) by changing a digit.

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, 26117631 + ... + 26149442.

It is an arithmetic number, because the mean of its divisors is an integer number (56918843586).

Almost surely, 2^831360063138 is an apocalyptic number.

831360063138 is an abundant number, since it is smaller than the sum of its proper divisors (990042931614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

831360063138 is a wasteful number, since it uses less digits than its factorization.

831360063138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52267330.

The product of its (nonzero) digits is 186624, while the sum is 42.

It can be divided in two parts, 8313600 and 63138, that added together give a palindrome (8376738).

The spelling of 831360063138 in words is "eight hundred thirty-one billion, three hundred sixty million, sixty-three thousand, one hundred thirty-eight".