231353 has 8 divisors (see below), whose sum is σ = 253440. Its totient is φ = 210240.

The previous prime is 231349. The next prime is 231359. The reversal of 231353 is 353132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231353 - 2² = 231349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231359) 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 7 ways as a sum of consecutive naturals, for example, 308 + ... + 746.

It is an arithmetic number, because the mean of its divisors is an integer number (31680).

2²³¹³⁵³ is an apocalyptic number.

It is an amenable number.

231353 is a deficient number, since it is larger than the sum of its proper divisors (22087).

231353 is a wasteful number, since it uses less digits than its factorization.

231353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its digits is 270, while the sum is 17.

The square root of 231353 is about 480.9916839198. The cubic root of 231353 is about 61.3891629592.

Adding to 231353 its reverse (353132), we get a palindrome (584485).

The spelling of 231353 in words is "two hundred thirty-one thousand, three hundred fifty-three".