323431 has 4 divisors (see below), whose sum is σ = 324864. Its totient is φ = 322000.

The previous prime is 323419. The next prime is 323441. The reversal of 323431 is 134323.

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 323431 - 2⁹ = 322919 is a prime.

It is a super-2 number, since 2×323431² = 209215223522, 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 (323441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (81216).

2³²³⁴³¹ is an apocalyptic number.

323431 is a deficient number, since it is larger than the sum of its proper divisors (1433).

323431 is a wasteful number, since it uses less digits than its factorization.

323431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

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

The square root of 323431 is about 568.7099436444. The cubic root of 323431 is about 68.6426246726.

Adding to 323431 its reverse (134323), we get a palindrome (457754).

The spelling of 323431 in words is "three hundred twenty-three thousand, four hundred thirty-one".