383231 has 4 divisors (see below), whose sum is σ = 405792. Its totient is φ = 360672.

The previous prime is 383221. The next prime is 383261. The reversal of 383231 is 132383.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-383231 is a prime.

It is a super-2 number, since 2×383231² = 293731998722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383221) 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, 11255 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (101448).

2³⁸³²³¹ is an apocalyptic number.

383231 is a deficient number, since it is larger than the sum of its proper divisors (22561).

383231 is a wasteful number, since it uses less digits than its factorization.

383231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22560.

The product of its digits is 432, while the sum is 20.

The square root of 383231 is about 619.0565402288. The cubic root of 383231 is about 72.6362716450.

The spelling of 383231 in words is "three hundred eighty-three thousand, two hundred thirty-one".