831061 has 16 divisors (see below), whose sum is σ = 1064448. Its totient is φ = 630000.

The previous prime is 831043. The next prime is 831067. The reversal of 831061 is 160138.

It is not a de Polignac number, because 831061 - 2⁹ = 830549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3186 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (66528).

2⁸³¹⁰⁶¹ is an apocalyptic number.

It is an amenable number.

831061 is a deficient number, since it is larger than the sum of its proper divisors (233387).

831061 is a wasteful number, since it uses less digits than its factorization.

831061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 831061 is about 911.6254713423. The cubic root of 831061 is about 94.0179911240.

Adding to 831061 its reverse (160138), we get a palindrome (991199).

The spelling of 831061 in words is "eight hundred thirty-one thousand, sixty-one".