317143161889 has 4 divisors (see below), whose sum is σ = 317158328880. Its totient is φ = 317127994900.

The previous prime is 317143161883. The next prime is 317143161913. The reversal of 317143161889 is 988161341713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 317143161889 - 2⁷ = 317143161761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317143161883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7552087 + ... + 7593964.

It is an arithmetic number, because the mean of its divisors is an integer number (79289582220).

Almost surely, 2^317143161889 is an apocalyptic number.

It is an amenable number.

317143161889 is a deficient number, since it is larger than the sum of its proper divisors (15166991).

317143161889 is a wasteful number, since it uses less digits than its factorization.

317143161889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166990.

The product of its digits is 870912, while the sum is 52.

The spelling of 317143161889 in words is "three hundred seventeen billion, one hundred forty-three million, one hundred sixty-one thousand, eight hundred eighty-nine".