342116613105205 has 4 divisors (see below), whose sum is σ = 410539935726252. Its totient is φ = 273693290484160.

The previous prime is 342116613105143. The next prime is 342116613105313. The reversal of 342116613105205 is 502501316611243.

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 171664736163921 + 170451876941284 = 13102089^2 + 13055722^2 .

It is not a de Polignac number, because 342116613105205 - 2²⁹ = 342116076234293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34211661310516 + ... + 34211661310525.

It is an arithmetic number, because the mean of its divisors is an integer number (102634983931563).

Almost surely, 2^{342116613105205} is an apocalyptic number.

It is an amenable number.

342116613105205 is a deficient number, since it is larger than the sum of its proper divisors (68423322621047).

342116613105205 is an equidigital number, since it uses as much as digits as its factorization.

342116613105205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68423322621046.

The product of its (nonzero) digits is 129600, while the sum is 40.

Adding to 342116613105205 its reverse (502501316611243), we get a palindrome (844617929716448).

The spelling of 342116613105205 in words is "three hundred forty-two trillion, one hundred sixteen billion, six hundred thirteen million, one hundred five thousand, two hundred five".