432331 has 4 divisors (see below), whose sum is σ = 451152. Its totient is φ = 413512.

The previous prime is 432323. The next prime is 432337. The reversal of 432331 is 133234.

432331 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133234 = 2 ⋅66617.

It is a cyclic number.

It is not a de Polignac number, because 432331 - 2³ = 432323 is a prime.

It is a super-2 number, since 2×432331² = 373820187122, which contains 22 as substring.

It is a Duffinian number.

432331 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (432337) 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, 9376 + ... + 9421.

It is an arithmetic number, because the mean of its divisors is an integer number (112788).

2⁴³²³³¹ is an apocalyptic number.

432331 is a deficient number, since it is larger than the sum of its proper divisors (18821).

432331 is a wasteful number, since it uses less digits than its factorization.

432331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18820.

The product of its digits is 216, while the sum is 16.

The square root of 432331 is about 657.5188210234. The cubic root of 432331 is about 75.6145651882.

Adding to 432331 its reverse (133234), we get a palindrome (565565).

It can be divided in two parts, 43233 and 1, that added together give a palindrome (43234).

The spelling of 432331 in words is "four hundred thirty-two thousand, three hundred thirty-one".