343344413 has 4 divisors (see below), whose sum is σ = 343381500. Its totient is φ = 343307328.

The previous prime is 343344389. The next prime is 343344431. The reversal of 343344413 is 314443343.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 314443343 = 2803 ⋅112181.

It can be written as a sum of positive squares in 2 ways, for example, as 284023609 + 59320804 = 16853^2 + 7702^2 .

It is a cyclic number.

It is not a de Polignac number, because 343344413 - 2¹⁸ = 343082269 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 (343344473) 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, 8213 + ... + 27461.

It is an arithmetic number, because the mean of its divisors is an integer number (85845375).

Almost surely, 2^343344413 is an apocalyptic number.

It is an amenable number.

343344413 is a deficient number, since it is larger than the sum of its proper divisors (37087).

343344413 is a wasteful number, since it uses less digits than its factorization.

343344413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37086.

The product of its digits is 20736, while the sum is 29.

The square root of 343344413 is about 18529.5551214809. Note that the first 3 decimals coincide. The cubic root of 343344413 is about 700.2342161816.

Adding to 343344413 its reverse (314443343), we get a palindrome (657787756).

The spelling of 343344413 in words is "three hundred forty-three million, three hundred forty-four thousand, four hundred thirteen".