831313313138 has 32 divisors (see below), whose sum is σ = 1562719167360. Its totient is φ = 322210114560.

The previous prime is 831313313081. The next prime is 831313313141.

831313313138 is nontrivially palindromic in base 10.

It is an unprimeable number.

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, 13955093 + ... + 14014536.

It is an arithmetic number, because the mean of its divisors is an integer number (48834973980).

Almost surely, 2^831313313138 is an apocalyptic number.

831313313138 is a deficient number, since it is larger than the sum of its proper divisors (731405854222).

831313313138 is a wasteful number, since it uses less digits than its factorization.

831313313138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27969842.

The product of its digits is 46656, while the sum is 38.

The spelling of 831313313138 in words is "eight hundred thirty-one billion, three hundred thirteen million, three hundred thirteen thousand, one hundred thirty-eight".