340043331 has 8 divisors (see below), whose sum is σ = 454869184. Its totient is φ = 225956520.

The previous prime is 340043321. The next prime is 340043351. The reversal of 340043331 is 133340043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340043331 - 2⁷ = 340043203 is a prime.

It is a super-2 number, since 2×340043331² = 231258933915151122, 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 = 340043298 and 340043307.

It is not an unprimeable number, because it can be changed into a prime (340043321) 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, 183685 + ... + 185526.

It is an arithmetic number, because the mean of its divisors is an integer number (56858648).

Almost surely, 2^340043331 is an apocalyptic number.

340043331 is a deficient number, since it is larger than the sum of its proper divisors (114825853).

340043331 is a wasteful number, since it uses less digits than its factorization.

340043331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369521.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 340043331 is about 18440.2638538607. The cubic root of 340043331 is about 697.9828534415.

Adding to 340043331 its reverse (133340043), we get a palindrome (473383374).

The spelling of 340043331 in words is "three hundred forty million, forty-three thousand, three hundred thirty-one".