347231 has 8 divisors (see below), whose sum is σ = 374784. Its totient is φ = 320760.

The previous prime is 347227. The next prime is 347233. The reversal of 347231 is 132743.

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 347231 - 2² = 347227 is a prime.

It is a super-2 number, since 2×347231² = 241138734722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347231.

It is not an unprimeable number, because it can be changed into a prime (347233) 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, 470 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (46848).

2³⁴⁷²³¹ is an apocalyptic number.

347231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

347231 is a deficient number, since it is larger than the sum of its proper divisors (27553).

347231 is a wasteful number, since it uses less digits than its factorization.

347231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its digits is 504, while the sum is 20.

The square root of 347231 is about 589.2630991331. The cubic root of 347231 is about 70.2866477140.

Adding to 347231 its reverse (132743), we get a palindrome (479974).

The spelling of 347231 in words is "three hundred forty-seven thousand, two hundred thirty-one".