343130005 has 4 divisors (see below), whose sum is σ = 411756012. Its totient is φ = 274504000.

The previous prime is 343129999. The next prime is 343130009. The reversal of 343130005 is 500031343.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41447844 + 301682161 = 6438^2 + 17369^2 .

It is a de Polignac number, because none of the positive numbers 2^k-343130005 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 (343130009) 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, 34312996 + ... + 34313005.

It is an arithmetic number, because the mean of its divisors is an integer number (102939003).

Almost surely, 2^343130005 is an apocalyptic number.

It is an amenable number.

343130005 is a deficient number, since it is larger than the sum of its proper divisors (68626007).

343130005 is an equidigital number, since it uses as much as digits as its factorization.

343130005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68626006.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 343130005 is about 18523.7686500345. The cubic root of 343130005 is about 700.0884276044.

Adding to 343130005 its reverse (500031343), we get a palindrome (843161348).

The spelling of 343130005 in words is "three hundred forty-three million, one hundred thirty thousand, five".