342321017 has 16 divisors (see below), whose sum is σ = 362756880. Its totient is φ = 322560000.

The previous prime is 342320989. The next prime is 342321041. The reversal of 342321017 is 710123243.

It can be written as a sum of positive squares in 8 ways, for example, as 144384256 + 197936761 = 12016^2 + 14069^2 .

It is a cyclic number.

It is not a de Polignac number, because 342321017 - 2⁸ = 342320761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342320983 and 342321001.

It is not an unprimeable number, because it can be changed into a prime (342321047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213017 + ... + 214617.

It is an arithmetic number, because the mean of its divisors is an integer number (22672305).

Almost surely, 2^342321017 is an apocalyptic number.

It is an amenable number.

342321017 is a deficient number, since it is larger than the sum of its proper divisors (20435863).

342321017 is a wasteful number, since it uses less digits than its factorization.

342321017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 342321017 is about 18501.9192788208. The cubic root of 342321017 is about 699.5378016881.

The spelling of 342321017 in words is "three hundred forty-two million, three hundred twenty-one thousand, seventeen".