342916291 has 2 divisors, whose sum is σ = 342916292. Its totient is φ = 342916290.

The previous prime is 342916247. The next prime is 342916339. The reversal of 342916291 is 192619243.

It is a weak prime.

It is an emirp because it is prime and its reverse (192619243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342916291 - 2⁹ = 342915779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342916291.

It is not a weakly prime, because it can be changed into another prime (342916991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171458145 + 171458146.

It is an arithmetic number, because the mean of its divisors is an integer number (171458146).

Almost surely, 2^342916291 is an apocalyptic number.

342916291 is a deficient number, since it is larger than the sum of its proper divisors (1).

342916291 is an equidigital number, since it uses as much as digits as its factorization.

342916291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 342916291 is about 18517.9991089750. Note that the first 3 decimals coincide. The cubic root of 342916291 is about 699.9430504690.

The spelling of 342916291 in words is "three hundred forty-two million, nine hundred sixteen thousand, two hundred ninety-one".