180431 has 4 divisors (see below), whose sum is σ = 183192. Its totient is φ = 177672.

The previous prime is 180419. The next prime is 180437. The reversal of 180431 is 134081.

It is a happy number.

180431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 180431 - 2¹⁰ = 179407 is a prime.

It is a super-2 number, since 2×180431² = 65110691522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180437) 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, 1280 + ... + 1413.

It is an arithmetic number, because the mean of its divisors is an integer number (45798).

2¹⁸⁰⁴³¹ is an apocalyptic number.

180431 is a deficient number, since it is larger than the sum of its proper divisors (2761).

180431 is an equidigital number, since it uses as much as digits as its factorization.

180431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 180431 is about 424.7717033890. The cubic root of 180431 is about 56.5071909818.

The spelling of 180431 in words is "one hundred eighty thousand, four hundred thirty-one".