143017180971 has 12 divisors (see below), whose sum is σ = 221822566632. Its totient is φ = 81724103328.

The previous prime is 143017180939. The next prime is 143017180987. The reversal of 143017180971 is 179081710341.

It is not a de Polignac number, because 143017180971 - 2⁵ = 143017180939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143017180991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486452850 + ... + 486453143.

It is an arithmetic number, because the mean of its divisors is an integer number (18485213886).

Almost surely, 2^143017180971 is an apocalyptic number.

143017180971 is a deficient number, since it is larger than the sum of its proper divisors (78805385661).

143017180971 is an equidigital number, since it uses as much as digits as its factorization.

143017180971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972906010 (or 972906003 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 42.

The spelling of 143017180971 in words is "one hundred forty-three billion, seventeen million, one hundred eighty thousand, nine hundred seventy-one".