343531042 has 16 divisors (see below), whose sum is σ = 545466240. Its totient is φ = 161984592.

The previous prime is 343531007. The next prime is 343531081. The reversal of 343531042 is 240135343.

It is a junction number, because it is equal to n+sod(n) for n = 343530998 and 343531016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66378 + ... + 71365.

It is an arithmetic number, because the mean of its divisors is an integer number (34091640).

Almost surely, 2^343531042 is an apocalyptic number.

343531042 is a deficient number, since it is larger than the sum of its proper divisors (201935198).

343531042 is a wasteful number, since it uses less digits than its factorization.

343531042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137817.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 343531042 is about 18534.5904189977. The cubic root of 343531042 is about 700.3610667875.

Adding to 343531042 its reverse (240135343), we get a palindrome (583666385).

The spelling of 343531042 in words is "three hundred forty-three million, five hundred thirty-one thousand, forty-two".