831316613138 has 8 divisors (see below), whose sum is σ = 1360336276080. Its totient is φ = 377871187780.

The previous prime is 831316613119. The next prime is 831316613189.

831316613138 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×831316613138² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18893559368 + ... + 18893559411.

It is an arithmetic number, because the mean of its divisors is an integer number (170042034510).

Almost surely, 2^831316613138 is an apocalyptic number.

831316613138 is a deficient number, since it is larger than the sum of its proper divisors (529019662942).

831316613138 is a wasteful number, since it uses less digits than its factorization.

831316613138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37787118792.

The product of its digits is 186624, while the sum is 44.

The spelling of 831316613138 in words is "eight hundred thirty-one billion, three hundred sixteen million, six hundred thirteen thousand, one hundred thirty-eight".