324420431 has 8 divisors (see below), whose sum is σ = 326150544. Its totient is φ = 322695360.

The previous prime is 324420289. The next prime is 324420433. The reversal of 324420431 is 134024423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 324420431 - 2¹⁸ = 324158287 is a prime.

It is a super-2 number, since 2×324420431² = 210497232100451522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324420397 and 324420406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324420433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211136 + ... + 212666.

It is an arithmetic number, because the mean of its divisors is an integer number (40768818).

Almost surely, 2^324420431 is an apocalyptic number.

324420431 is a deficient number, since it is larger than the sum of its proper divisors (1730113).

324420431 is a wasteful number, since it uses less digits than its factorization.

324420431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 324420431 is about 18011.6748527171. The cubic root of 324420431 is about 687.1254994410.

Adding to 324420431 its reverse (134024423), we get a palindrome (458444854).

The spelling of 324420431 in words is "three hundred twenty-four million, four hundred twenty thousand, four hundred thirty-one".