343012513 has 4 divisors (see below), whose sum is σ = 343947520. Its totient is φ = 342077508.

The previous prime is 343012511. The next prime is 343012541. The reversal of 343012513 is 315210343.

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 not a de Polignac number, because 343012513 - 2¹ = 343012511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343012511) 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, 466953 + ... + 467686.

It is an arithmetic number, because the mean of its divisors is an integer number (85986880).

Almost surely, 2^343012513 is an apocalyptic number.

It is an amenable number.

343012513 is a deficient number, since it is larger than the sum of its proper divisors (935007).

343012513 is an equidigital number, since it uses as much as digits as its factorization.

343012513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935006.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 343012513 is about 18520.5969936177. The cubic root of 343012513 is about 700.0085121414.

Adding to 343012513 its reverse (315210343), we get a palindrome (658222856).

The spelling of 343012513 in words is "three hundred forty-three million, twelve thousand, five hundred thirteen".