831139016 has 16 divisors (see below), whose sum is σ = 1608656640. Its totient is φ = 402163920.

The previous prime is 831138967. The next prime is 831139019. The reversal of 831139016 is 610931138.

It is not an unprimeable number, because it can be changed into a prime (831139019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675436 + ... + 1675931.

It is an arithmetic number, because the mean of its divisors is an integer number (100541040).

Almost surely, 2^831139016 is an apocalyptic number.

It is an amenable number.

831139016 is a deficient number, since it is larger than the sum of its proper divisors (777517624).

831139016 is a wasteful number, since it uses less digits than its factorization.

831139016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351404 (or 3351400 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 831139016 is about 28829.4817157714. The cubic root of 831139016 is about 940.2093301724.

It can be divided in two parts, 83113 and 9016, that added together give a palindrome (92129).

The spelling of 831139016 in words is "eight hundred thirty-one million, one hundred thirty-nine thousand, sixteen".