324281231 has 4 divisors (see below), whose sum is σ = 324411000. Its totient is φ = 324151464.

The previous prime is 324281197. The next prime is 324281281. The reversal of 324281231 is 132182423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132182423 = 2777 ⋅47599.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324281231 is a prime.

It is a super-2 number, since 2×324281231² = 210316633557750722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 324281231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324281281) 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, 61061 + ... + 66158.

It is an arithmetic number, because the mean of its divisors is an integer number (81102750).

Almost surely, 2^324281231 is an apocalyptic number.

324281231 is a deficient number, since it is larger than the sum of its proper divisors (129769).

324281231 is a wasteful number, since it uses less digits than its factorization.

324281231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129768.

The product of its digits is 2304, while the sum is 26.

The square root of 324281231 is about 18007.8102777656. The cubic root of 324281231 is about 687.0272097490.

The spelling of 324281231 in words is "three hundred twenty-four million, two hundred eighty-one thousand, two hundred thirty-one".