343213340 has 48 divisors (see below), whose sum is σ = 803325600. Its totient is φ = 122406912.

The previous prime is 343213333. The next prime is 343213349. The reversal of 343213340 is 43312343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343213349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20105 + ... + 33024.

It is an arithmetic number, because the mean of its divisors is an integer number (16735950).

Almost surely, 2^343213340 is an apocalyptic number.

It is an amenable number.

343213340 is an abundant number, since it is smaller than the sum of its proper divisors (460112260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343213340 is a wasteful number, since it uses less digits than its factorization.

343213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53174 (or 53172 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 343213340 is about 18526.0179207513. The cubic root of 343213340 is about 700.1450991728.

Adding to 343213340 its reverse (43312343), we get a palindrome (386525683).

The spelling of 343213340 in words is "three hundred forty-three million, two hundred thirteen thousand, three hundred forty".