831601243 has 16 divisors (see below), whose sum is σ = 918639360. Its totient is φ = 746532000.

The previous prime is 831601241. The next prime is 831601261. The reversal of 831601243 is 342106138.

831601243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 831601243 - 2¹ = 831601241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (831601241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295921 + ... + 298717.

It is an arithmetic number, because the mean of its divisors is an integer number (57414960).

Almost surely, 2^831601243 is an apocalyptic number.

831601243 is a deficient number, since it is larger than the sum of its proper divisors (87038117).

831601243 is a wasteful number, since it uses less digits than its factorization.

831601243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 831601243 is about 28837.4971694840. The cubic root of 831601243 is about 940.3835928772.

The spelling of 831601243 in words is "eight hundred thirty-one million, six hundred one thousand, two hundred forty-three".