312040301171 has 2 divisors, whose sum is σ = 312040301172. Its totient is φ = 312040301170.

The previous prime is 312040301147. The next prime is 312040301197. The reversal of 312040301171 is 171103040213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312040301171 - 2¹⁰ = 312040300147 is a prime.

It is not a weakly prime, because it can be changed into another prime (312040301071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156020150585 + 156020150586.

It is an arithmetic number, because the mean of its divisors is an integer number (156020150586).

Almost surely, 2^312040301171 is an apocalyptic number.

312040301171 is a deficient number, since it is larger than the sum of its proper divisors (1).

312040301171 is an equidigital number, since it uses as much as digits as its factorization.

312040301171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 312040301171 its reverse (171103040213), we get a palindrome (483143341384).

The spelling of 312040301171 in words is "three hundred twelve billion, forty million, three hundred one thousand, one hundred seventy-one".