231354 has 12 divisors (see below), whose sum is σ = 501306. Its totient is φ = 77112.

The previous prime is 231349. The next prime is 231359. The reversal of 231354 is 453132.

It is an interprime number because it is at equal distance from previous prime (231349) and next prime (231359).

It can be written as a sum of positive squares in only one way, i.e., 216225 + 15129 = 465^2 + 123^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12853 = 231354 / (2 + 3 + 1 + 3 + 5 + 4).

It is an Ulam 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 5 ways as a sum of consecutive naturals, for example, 6409 + ... + 6444.

2²³¹³⁵⁴ is an apocalyptic number.

231354 is an abundant number, since it is smaller than the sum of its proper divisors (269952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231354 is a wasteful number, since it uses less digits than its factorization.

231354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12861 (or 12858 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 231354 is about 480.9927234377. The cubic root of 231354 is about 61.3892514085.

Adding to 231354 its reverse (453132), we get a palindrome (684486).

It can be divided in two parts, 231 and 354, that added together give a palindrome (585).

The spelling of 231354 in words is "two hundred thirty-one thousand, three hundred fifty-four".