342130305 has 32 divisors (see below), whose sum is σ = 613323648. Its totient is φ = 161395200.

The previous prime is 342130297. The next prime is 342130307. The reversal of 342130305 is 503031243.

It is not a de Polignac number, because 342130305 - 2³ = 342130297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342130307) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 21916 + ... + 34125.

It is an arithmetic number, because the mean of its divisors is an integer number (19166364).

Almost surely, 2^342130305 is an apocalyptic number.

It is an amenable number.

342130305 is a deficient number, since it is larger than the sum of its proper divisors (271193343).

342130305 is a wasteful number, since it uses less digits than its factorization.

342130305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56097.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 342130305 is about 18496.7647171066. The cubic root of 342130305 is about 699.4078700068.

Adding to 342130305 its reverse (503031243), we get a palindrome (845161548).

The spelling of 342130305 in words is "three hundred forty-two million, one hundred thirty thousand, three hundred five".