340031343 has 8 divisors (see below), whose sum is σ = 468000256. Its totient is φ = 219375000.

The previous prime is 340031311. The next prime is 340031357. The reversal of 340031343 is 343130043.

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

It is not a de Polignac number, because 340031343 - 2⁵ = 340031311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340031243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828033 + ... + 1828218.

It is an arithmetic number, because the mean of its divisors is an integer number (58500032).

Almost surely, 2^340031343 is an apocalyptic number.

340031343 is a deficient number, since it is larger than the sum of its proper divisors (127968913).

340031343 is a wasteful number, since it uses less digits than its factorization.

340031343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656285.

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

The square root of 340031343 is about 18439.9388014169. The cubic root of 340031343 is about 697.9746510390.

Adding to 340031343 its reverse (343130043), we get a palindrome (683161386).

It can be divided in two parts, 3400 and 31343, that added together give a palindrome (34743).

The spelling of 340031343 in words is "three hundred forty million, thirty-one thousand, three hundred forty-three".