159871331 has 2 divisors, whose sum is σ = 159871332. Its totient is φ = 159871330.

The previous prime is 159871307. The next prime is 159871343. The reversal of 159871331 is 133178951.

159871331 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 is a cyclic number.

It is not a de Polignac number, because 159871331 - 2¹⁰ = 159870307 is a prime.

It is a super-2 number, since 2×159871331² = 51117684951423122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159871351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79935665 + 79935666.

It is an arithmetic number, because the mean of its divisors is an integer number (79935666).

Almost surely, 2^159871331 is an apocalyptic number.

159871331 is a deficient number, since it is larger than the sum of its proper divisors (1).

159871331 is an equidigital number, since it uses as much as digits as its factorization.

159871331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 159871331 is about 12644.0235289246. The cubic root of 159871331 is about 542.7379587084.

The spelling of 159871331 in words is "one hundred fifty-nine million, eight hundred seventy-one thousand, three hundred thirty-one".