343268813 has 4 divisors (see below), whose sum is σ = 358193568. Its totient is φ = 328344060.

The previous prime is 343268791. The next prime is 343268897. The reversal of 343268813 is 318862343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343268813 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 (343268413) 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, 7462343 + ... + 7462388.

It is an arithmetic number, because the mean of its divisors is an integer number (89548392).

Almost surely, 2^343268813 is an apocalyptic number.

It is an amenable number.

343268813 is a deficient number, since it is larger than the sum of its proper divisors (14924755).

343268813 is a wasteful number, since it uses less digits than its factorization.

343268813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14924754.

The product of its digits is 82944, while the sum is 38.

The square root of 343268813 is about 18527.5150249568. The cubic root of 343268813 is about 700.1828182358.

The spelling of 343268813 in words is "three hundred forty-three million, two hundred sixty-eight thousand, eight hundred thirteen".