324031421 has 4 divisors (see below), whose sum is σ = 370321632. Its totient is φ = 277741212.

The previous prime is 324031399. The next prime is 324031423. The reversal of 324031421 is 124130423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 324031421 - 2¹⁰ = 324030397 is a prime.

It is a super-3 number, since 3×324031421³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324031393 and 324031402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324031423) 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, 23145095 + ... + 23145108.

It is an arithmetic number, because the mean of its divisors is an integer number (92580408).

Almost surely, 2^324031421 is an apocalyptic number.

It is an amenable number.

324031421 is a deficient number, since it is larger than the sum of its proper divisors (46290211).

324031421 is an equidigital number, since it uses as much as digits as its factorization.

324031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46290210.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 324031421 is about 18000.8727843958. The cubic root of 324031421 is about 686.8507473243.

Adding to 324031421 its reverse (124130423), we get a palindrome (448161844).

The spelling of 324031421 in words is "three hundred twenty-four million, thirty-one thousand, four hundred twenty-one".