324403431 has 24 divisors (see below), whose sum is σ = 493293696. Its totient is φ = 188049840.

The previous prime is 324403423. The next prime is 324403433. The reversal of 324403431 is 134304423.

It is not a de Polignac number, because 324403431 - 2³ = 324403423 is a prime.

It is a super-2 number, since 2×324403431² = 210475172089143522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324403433) 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 23 ways as a sum of consecutive naturals, for example, 8166 + ... + 26748.

It is an arithmetic number, because the mean of its divisors is an integer number (20553904).

Almost surely, 2^324403431 is an apocalyptic number.

324403431 is a deficient number, since it is larger than the sum of its proper divisors (168890265).

324403431 is a wasteful number, since it uses less digits than its factorization.

324403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18643 (or 18620 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 324403431 is about 18011.2029303986. The cubic root of 324403431 is about 687.1134971785.

Adding to 324403431 its reverse (134304423), we get a palindrome (458707854).

The spelling of 324403431 in words is "three hundred twenty-four million, four hundred three thousand, four hundred thirty-one".