342531656 has 16 divisors (see below), whose sum is σ = 644749740. Its totient is φ = 170598400.

The previous prime is 342531649. The next prime is 342531661. The reversal of 342531656 is 656135243.

It can be written as a sum of positive squares in 2 ways, for example, as 302412100 + 40119556 = 17390^2 + 6334^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 81245 + ... + 85356.

Almost surely, 2^342531656 is an apocalyptic number.

It is an amenable number.

342531656 is a deficient number, since it is larger than the sum of its proper divisors (302218084).

342531656 is a wasteful number, since it uses less digits than its factorization.

342531656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166864 (or 166860 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 342531656 is about 18507.6107588203. The cubic root of 342531656 is about 699.6812535196.

Adding to 342531656 its reverse (656135243), we get a palindrome (998666899).

The spelling of 342531656 in words is "three hundred forty-two million, five hundred thirty-one thousand, six hundred fifty-six".