131401171 has 16 divisors (see below), whose sum is σ = 147744000. Its totient is φ = 115814880.

The previous prime is 131401159. The next prime is 131401181. The reversal of 131401171 is 171104131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131401171 - 2²³ = 123012563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131401141) 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, 202770 + ... + 203416.

It is an arithmetic number, because the mean of its divisors is an integer number (9234000).

Almost surely, 2^131401171 is an apocalyptic number.

131401171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131401171 is a deficient number, since it is larger than the sum of its proper divisors (16342829).

131401171 is a wasteful number, since it uses less digits than its factorization.

131401171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 131401171 is about 11463.0349820630. The cubic root of 131401171 is about 508.3932142185.

The spelling of 131401171 in words is "one hundred thirty-one million, four hundred one thousand, one hundred seventy-one".