343313421 has 12 divisors (see below), whose sum is σ = 503148576. Its totient is φ = 208068520.

The previous prime is 343313401. The next prime is 343313431. The reversal of 343313421 is 124313343.

It is not a de Polignac number, because 343313421 - 2⁶ = 343313357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343313391 and 343313400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343313401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472521 + ... + 473246.

It is an arithmetic number, because the mean of its divisors is an integer number (41929048).

Almost surely, 2^343313421 is an apocalyptic number.

It is an amenable number.

343313421 is a deficient number, since it is larger than the sum of its proper divisors (159835155).

343313421 is a wasteful number, since it uses less digits than its factorization.

343313421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945792 (or 945781 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 343313421 is about 18528.7188170148. The cubic root of 343313421 is about 700.2131466559.

Adding to 343313421 its reverse (124313343), we get a palindrome (467626764).

The spelling of 343313421 in words is "three hundred forty-three million, three hundred thirteen thousand, four hundred twenty-one".