283231 has 4 divisors (see below), whose sum is σ = 305032. Its totient is φ = 261432.

The previous prime is 283211. The next prime is 283267. The reversal of 283231 is 132382.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132382 = 2 ⋅66191.

It is a cyclic number.

It is not a de Polignac number, because 283231 - 2¹³ = 275039 is a prime.

It is a super-2 number, since 2×283231² = 160439598722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 283199 and 283208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283211) 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, 10881 + ... + 10906.

It is an arithmetic number, because the mean of its divisors is an integer number (76258).

2²⁸³²³¹ is an apocalyptic number.

283231 is a deficient number, since it is larger than the sum of its proper divisors (21801).

283231 is a wasteful number, since it uses less digits than its factorization.

283231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21800.

The product of its digits is 288, while the sum is 19.

The square root of 283231 is about 532.1945133126. The cubic root of 283231 is about 65.6720029104.

The spelling of 283231 in words is "two hundred eighty-three thousand, two hundred thirty-one".