343213042 has 4 divisors (see below), whose sum is σ = 514819566. Its totient is φ = 171606520.

The previous prime is 343213027. The next prime is 343213043. The reversal of 343213042 is 240312343.

It is a happy number.

343213042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 320374201 + 22838841 = 17899^2 + 4779^2 .

It is a super-3 number, since 3×343213042³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (343213043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85803259 + ... + 85803262.

Almost surely, 2^343213042 is an apocalyptic number.

343213042 is a deficient number, since it is larger than the sum of its proper divisors (171606524).

343213042 is a wasteful number, since it uses less digits than its factorization.

343213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171606523.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 343213042 is about 18526.0098780067. The cubic root of 343213042 is about 700.1448965357.

Adding to 343213042 its reverse (240312343), we get a palindrome (583525385).

The spelling of 343213042 in words is "three hundred forty-three million, two hundred thirteen thousand, forty-two".