3144457317191 has 2 divisors, whose sum is σ = 3144457317192. Its totient is φ = 3144457317190.

The previous prime is 3144457317161. The next prime is 3144457317229. The reversal of 3144457317191 is 1917137544413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3144457317191 is a prime.

It is a super-2 number, since 2×3144457317191² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3144457317101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572228658595 + 1572228658596.

It is an arithmetic number, because the mean of its divisors is an integer number (1572228658596).

Almost surely, 2^{3144457317191} is an apocalyptic number.

3144457317191 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144457317191 is an equidigital number, since it uses as much as digits as its factorization.

3144457317191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The spelling of 3144457317191 in words is "three trillion, one hundred forty-four billion, four hundred fifty-seven million, three hundred seventeen thousand, one hundred ninety-one".