131313171 has 16 divisors (see below), whose sum is σ = 194607360. Its totient is φ = 78081120.

The previous prime is 131313137. The next prime is 131313191. The reversal of 131313171 is 171313131.

It is not a de Polignac number, because 131313171 - 2⁹ = 131312659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131313121) 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, 35791 + ... + 39288.

It is an arithmetic number, because the mean of its divisors is an integer number (12162960).

Almost surely, 2^131313171 is an apocalyptic number.

131313171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131313171 is a deficient number, since it is larger than the sum of its proper divisors (63294189).

131313171 is a wasteful number, since it uses less digits than its factorization.

131313171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75146.

The product of its digits is 189, while the sum is 21.

The square root of 131313171 is about 11459.1959141992. The cubic root of 131313171 is about 508.2796977421.

The spelling of 131313171 in words is "one hundred thirty-one million, three hundred thirteen thousand, one hundred seventy-one".