342661171291 has 4 divisors (see below), whose sum is σ = 360695969800. Its totient is φ = 324626372784.

The previous prime is 342661171289. The next prime is 342661171309. The reversal of 342661171291 is 192171166243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 342661171291 - 2¹ = 342661171289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342661171261) 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, 9017399226 + ... + 9017399263.

It is an arithmetic number, because the mean of its divisors is an integer number (90173992450).

Almost surely, 2^342661171291 is an apocalyptic number.

342661171291 is a deficient number, since it is larger than the sum of its proper divisors (18034798509).

342661171291 is a wasteful number, since it uses less digits than its factorization.

342661171291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18034798508.

The product of its digits is 108864, while the sum is 43.

The spelling of 342661171291 in words is "three hundred forty-two billion, six hundred sixty-one million, one hundred seventy-one thousand, two hundred ninety-one".