324213242 has 4 divisors (see below), whose sum is σ = 486319866. Its totient is φ = 162106620.

The previous prime is 324213187. The next prime is 324213247. The reversal of 324213242 is 242312423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242312423 = 11909 ⋅20347.

It can be written as a sum of positive squares in only one way, i.e., 324036001 + 177241 = 18001^2 + 421^2 .

It is a super-2 number, since 2×324213242² = 210228452576301128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (324213247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81053309 + ... + 81053312.

Almost surely, 2^324213242 is an apocalyptic number.

324213242 is a deficient number, since it is larger than the sum of its proper divisors (162106624).

324213242 is a wasteful number, since it uses less digits than its factorization.

324213242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162106623.

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

The square root of 324213242 is about 18005.9224145835. The cubic root of 324213242 is about 686.9791922122.

Adding to 324213242 its reverse (242312423), we get a palindrome (566525665).

The spelling of 324213242 in words is "three hundred twenty-four million, two hundred thirteen thousand, two hundred forty-two".