1324442231 has 4 divisors (see below), whose sum is σ = 1513648272. Its totient is φ = 1135236192.

The previous prime is 1324442227. The next prime is 1324442243. The reversal of 1324442231 is 1322444231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1324442231 - 2² = 1324442227 is a prime.

It is a super-2 number, since 2×1324442231² = 3508294446512514722, 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 1324442231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324442201) 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, 94603010 + ... + 94603023.

It is an arithmetic number, because the mean of its divisors is an integer number (378412068).

Almost surely, 2^1324442231 is an apocalyptic number.

1324442231 is a deficient number, since it is larger than the sum of its proper divisors (189206041).

1324442231 is an equidigital number, since it uses as much as digits as its factorization.

1324442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189206040.

The product of its digits is 4608, while the sum is 26.

The square root of 1324442231 is about 36392.8870934967. The cubic root of 1324442231 is about 1098.1904769952.

Adding to 1324442231 its reverse (1322444231), we get a palindrome (2646886462).

The spelling of 1324442231 in words is "one billion, three hundred twenty-four million, four hundred forty-two thousand, two hundred thirty-one".