180131 has 4 divisors (see below), whose sum is σ = 205872. Its totient is φ = 154392.

The previous prime is 180097. The next prime is 180137. The reversal of 180131 is 131081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131081 = 19 ⋅6899.

It is not a de Polignac number, because 180131 - 2¹⁰ = 179107 is a prime.

It is a super-2 number, since 2×180131² = 64894354322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12860 + ... + 12873.

It is an arithmetic number, because the mean of its divisors is an integer number (51468).

2¹⁸⁰¹³¹ is an apocalyptic number.

180131 is a deficient number, since it is larger than the sum of its proper divisors (25741).

180131 is an equidigital number, since it uses as much as digits as its factorization.

180131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25740.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 180131 is about 424.4184256132. The cubic root of 180131 is about 56.4758557135.

The spelling of 180131 in words is "one hundred eighty thousand, one hundred thirty-one".