343012313 has 4 divisors (see below), whose sum is σ = 392014080. Its totient is φ = 294010548.

The previous prime is 343012279. The next prime is 343012331. The reversal of 343012313 is 313210343.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313210343 = 23 ⋅13617841.

It is a cyclic number.

It is not a de Polignac number, because 343012313 - 2⁸ = 343012057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343012393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24500873 + ... + 24500886.

It is an arithmetic number, because the mean of its divisors is an integer number (98003520).

Almost surely, 2^343012313 is an apocalyptic number.

It is an amenable number.

343012313 is a deficient number, since it is larger than the sum of its proper divisors (49001767).

343012313 is an equidigital number, since it uses as much as digits as its factorization.

343012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49001766.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 343012313 is about 18520.5915942229. The cubic root of 343012313 is about 700.0083760902.

Adding to 343012313 its reverse (313210343), we get a palindrome (656222656).

The spelling of 343012313 in words is "three hundred forty-three million, twelve thousand, three hundred thirteen".