873131 has 12 divisors (see below), whose sum is σ = 1031472. Its totient is φ = 736848.

The previous prime is 873121. The next prime is 873133. The reversal of 873131 is 131378.

It is a happy number.

It is not a de Polignac number, because 873131 - 2¹⁰ = 872107 is a prime.

It is a super-2 number, since 2×873131² = 1524715486322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 873097 and 873106.

It is not an unprimeable number, because it can be changed into a prime (873133) 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 11 ways as a sum of consecutive naturals, for example, 4961 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (85956).

2⁸⁷³¹³¹ is an apocalyptic number.

873131 is a deficient number, since it is larger than the sum of its proper divisors (158341).

873131 is a wasteful number, since it uses less digits than its factorization.

873131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 283 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 873131 is about 934.4147901227. The cubic root of 873131 is about 95.5784102434.

The spelling of 873131 in words is "eight hundred seventy-three thousand, one hundred thirty-one".