343020042 has 32 divisors (see below), whose sum is σ = 763171200. Its totient is φ = 114204384.

The previous prime is 343020031. The next prime is 343020047. The reversal of 343020042 is 240020343.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 343019997 and 343020024.

It is not an unprimeable number, because it can be changed into a prime (343020047) 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, 48934 + ... + 55502.

It is an arithmetic number, because the mean of its divisors is an integer number (23849100).

Almost surely, 2^343020042 is an apocalyptic number.

343020042 is an abundant number, since it is smaller than the sum of its proper divisors (420151158).

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

343020042 is a wasteful number, since it uses less digits than its factorization.

343020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547 (or 7541 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 343020042 is about 18520.8002526889. The cubic root of 343020042 is about 700.0136337481.

Adding to 343020042 its reverse (240020343), we get a palindrome (583040385).

The spelling of 343020042 in words is "three hundred forty-three million, twenty thousand, forty-two".