71313171 has 16 divisors (see below), whose sum is σ = 98636448. Its totient is φ = 45792000.

The previous prime is 71313163. The next prime is 71313191. The reversal of 71313171 is 17131317.

It is not a de Polignac number, because 71313171 - 2³ = 71313163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71313191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8031 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (6164778).

Almost surely, 2^71313171 is an apocalyptic number.

71313171 is a deficient number, since it is larger than the sum of its proper divisors (27323277).

71313171 is a wasteful number, since it uses less digits than its factorization.

71313171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502.

The product of its digits is 441, while the sum is 24.

The square root of 71313171 is about 8444.7126061222. The cubic root of 71313171 is about 414.6897007873.

Adding to 71313171 its reverse (17131317), we get a palindrome (88444488).

The spelling of 71313171 in words is "seventy-one million, three hundred thirteen thousand, one hundred seventy-one".