340331 has 4 divisors (see below), whose sum is σ = 355152. Its totient is φ = 325512.

The previous prime is 340321. The next prime is 340337. The reversal of 340331 is 133043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133043 = 233 ⋅571.

It is a cyclic number.

It is not a de Polignac number, because 340331 - 2⁶ = 340267 is a prime.

It is a super-2 number, since 2×340331² = 231650379122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340331.

It is not an unprimeable number, because it can be changed into a prime (340337) 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, 7376 + ... + 7421.

It is an arithmetic number, because the mean of its divisors is an integer number (88788).

2³⁴⁰³³¹ is an apocalyptic number.

340331 is a deficient number, since it is larger than the sum of its proper divisors (14821).

340331 is a wasteful number, since it uses less digits than its factorization.

340331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14820.

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

The square root of 340331 is about 583.3789505973. The cubic root of 340331 is about 69.8179623889.

Adding to 340331 its reverse (133043), we get a palindrome (473374).

The spelling of 340331 in words is "three hundred forty thousand, three hundred thirty-one".