342107272505 has 32 divisors (see below), whose sum is σ = 415031668128. Its totient is φ = 270704332800.

The previous prime is 342107272457. The next prime is 342107272511. The reversal of 342107272505 is 505272701243.

It can be written as a sum of positive squares in 16 ways, for example, as 9164424361 + 332942848144 = 95731^2 + 577012^2 .

It is not a de Polignac number, because 342107272505 - 2¹⁰ = 342107271481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158308625 + ... + 158310785.

It is an arithmetic number, because the mean of its divisors is an integer number (12969739629).

Almost surely, 2^342107272505 is an apocalyptic number.

It is an amenable number.

342107272505 is a deficient number, since it is larger than the sum of its proper divisors (72924395623).

342107272505 is a wasteful number, since it uses less digits than its factorization.

342107272505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197.

The product of its (nonzero) digits is 117600, while the sum is 38.

Adding to 342107272505 its reverse (505272701243), we get a palindrome (847379973748).

The spelling of 342107272505 in words is "three hundred forty-two billion, one hundred seven million, two hundred seventy-two thousand, five hundred five".