342302321 has 2 divisors, whose sum is σ = 342302322. Its totient is φ = 342302320.

The previous prime is 342302299. The next prime is 342302351. The reversal of 342302321 is 123203243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286963600 + 55338721 = 16940^2 + 7439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342302321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342302293 and 342302302.

It is not a weakly prime, because it can be changed into another prime (342302351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171151160 + 171151161.

It is an arithmetic number, because the mean of its divisors is an integer number (171151161).

Almost surely, 2^342302321 is an apocalyptic number.

It is an amenable number.

342302321 is a deficient number, since it is larger than the sum of its proper divisors (1).

342302321 is an equidigital number, since it uses as much as digits as its factorization.

342302321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 342302321 is about 18501.4140270413. The cubic root of 342302321 is about 699.5250662768.

Adding to 342302321 its reverse (123203243), we get a palindrome (465505564).

The spelling of 342302321 in words is "three hundred forty-two million, three hundred two thousand, three hundred twenty-one".