324203132421 has 32 divisors (see below), whose sum is σ = 577805644800. Its totient is φ = 175508460720.

The previous prime is 324203132369. The next prime is 324203132447. The reversal of 324203132421 is 124231302423.

324203132421 is a `hidden beast` number, since 3 + 2 + 4 + 203 + 1 + 32 + 421 = 666.

It is not a de Polignac number, because 324203132421 - 2¹¹ = 324203130373 is a prime.

It is a super-2 number, since 2×324203132421² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324203132221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45137475 + ... + 45144656.

It is an arithmetic number, because the mean of its divisors is an integer number (18056426400).

Almost surely, 2^324203132421 is an apocalyptic number.

It is an amenable number.

324203132421 is a deficient number, since it is larger than the sum of its proper divisors (253602512379).

324203132421 is a wasteful number, since it uses less digits than its factorization.

324203132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90282166 (or 90282160 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 324203132421 its reverse (124231302423), we get a palindrome (448434434844).

It can be divided in two parts, 32420 and 3132421, that added together give a square (3164841 = 1779²).

The spelling of 324203132421 in words is "three hundred twenty-four billion, two hundred three million, one hundred thirty-two thousand, four hundred twenty-one".