3144430157317 has 2 divisors, whose sum is σ = 3144430157318. Its totient is φ = 3144430157316.

The previous prime is 3144430157291. The next prime is 3144430157321. The reversal of 3144430157317 is 7137510344413.

3144430157317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2986810041121 + 157620116196 = 1728239^2 + 397014^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144430157317 - 2⁷ = 3144430157189 is a prime.

It is a super-2 number, since 2×3144430157317² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3144430157377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572215078658 + 1572215078659.

It is an arithmetic number, because the mean of its divisors is an integer number (1572215078659).

Almost surely, 2^{3144430157317} is an apocalyptic number.

It is an amenable number.

3144430157317 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144430157317 is an equidigital number, since it uses as much as digits as its factorization.

3144430157317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 3144430157317 in words is "three trillion, one hundred forty-four billion, four hundred thirty million, one hundred fifty-seven thousand, three hundred seventeen".