313244143444163 has 2 divisors, whose sum is σ = 313244143444164. Its totient is φ = 313244143444162.

The previous prime is 313244143444157. The next prime is 313244143444241. The reversal of 313244143444163 is 361444341442313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313244143444163 is a prime.

It is not a weakly prime, because it can be changed into another prime (313244143444123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156622071722081 + 156622071722082.

It is an arithmetic number, because the mean of its divisors is an integer number (156622071722082).

Almost surely, 2^{313244143444163} is an apocalyptic number.

313244143444163 is a deficient number, since it is larger than the sum of its proper divisors (1).

313244143444163 is an equidigital number, since it uses as much as digits as its factorization.

313244143444163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 47.

Adding to 313244143444163 its reverse (361444341442313), we get a palindrome (674688484886476).

The spelling of 313244143444163 in words is "three hundred thirteen trillion, two hundred forty-four billion, one hundred forty-three million, four hundred forty-four thousand, one hundred sixty-three".