343031 has 4 divisors (see below), whose sum is σ = 369432. Its totient is φ = 316632.

The previous prime is 343019. The next prime is 343037. The reversal of 343031 is 130343.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343031 is a prime.

It is a super-2 number, since 2×343031² = 235340533922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342997 and 343015.

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 343031.

It is not an unprimeable number, because it can be changed into a prime (343037) 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, 13181 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (92358).

2³⁴³⁰³¹ is an apocalyptic number.

343031 is a deficient number, since it is larger than the sum of its proper divisors (26401).

343031 is a wasteful number, since it uses less digits than its factorization.

343031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26400.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 343031 is about 585.6884837522. The cubic root of 343031 is about 70.0021087800.

Adding to 343031 its reverse (130343), we get a palindrome (473374).

It can be divided in two parts, 3 and 43031, that added together give a palindrome (43034).

The spelling of 343031 in words is "three hundred forty-three thousand, thirty-one".