342200305 has 4 divisors (see below), whose sum is σ = 410640372. Its totient is φ = 273760240.

The previous prime is 342200303. The next prime is 342200311. The reversal of 342200305 is 503002243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162613504 + 179586801 = 12752^2 + 13401^2 .

It is not a de Polignac number, because 342200305 - 2¹ = 342200303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342200303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34220026 + ... + 34220035.

It is an arithmetic number, because the mean of its divisors is an integer number (102660093).

Almost surely, 2^342200305 is an apocalyptic number.

It is an amenable number.

342200305 is a deficient number, since it is larger than the sum of its proper divisors (68440067).

342200305 is an equidigital number, since it uses as much as digits as its factorization.

342200305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68440066.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 342200305 is about 18498.6568431332. The cubic root of 342200305 is about 699.4555664659.

Adding to 342200305 its reverse (503002243), we get a palindrome (845202548).

The spelling of 342200305 in words is "three hundred forty-two million, two hundred thousand, three hundred five".