831013688238 has 32 divisors (see below), whose sum is σ = 1720162461600. Its totient is φ = 267324535296.

The previous prime is 831013688221. The next prime is 831013688273. The reversal of 831013688238 is 832886310138.

831013688238 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779631 + ... + 1506602.

It is an arithmetic number, because the mean of its divisors is an integer number (53755076925).

Almost surely, 2^831013688238 is an apocalyptic number.

831013688238 is an abundant number, since it is smaller than the sum of its proper divisors (889148773362).

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

831013688238 is a wasteful number, since it uses less digits than its factorization.

831013688238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288356.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 831013688238 in words is "eight hundred thirty-one billion, thirteen million, six hundred eighty-eight thousand, two hundred thirty-eight".