347031 has 8 divisors (see below), whose sum is σ = 514160. Its totient is φ = 231336.

The previous prime is 347003. The next prime is 347033. The reversal of 347031 is 130743.

It is not a de Polignac number, because 347031 - 2⁷ = 346903 is a prime.

It is a super-2 number, since 2×347031² = 240861029922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346995 and 347013.

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 347031.

It is not an unprimeable number, because it can be changed into a prime (347033) 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, 6400 + ... + 6453.

It is an arithmetic number, because the mean of its divisors is an integer number (64270).

2³⁴⁷⁰³¹ is an apocalyptic number.

347031 is a deficient number, since it is larger than the sum of its proper divisors (167129).

347031 is a wasteful number, since it uses less digits than its factorization.

347031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12862 (or 12856 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 347031 is about 589.0933712070. The cubic root of 347031 is about 70.2731504270.

Adding to 347031 its reverse (130743), we get a palindrome (477774).

The spelling of 347031 in words is "three hundred forty-seven thousand, thirty-one".