1324143213 has 4 divisors (see below), whose sum is σ = 1765524288. Its totient is φ = 882762140.

The previous prime is 1324143203. The next prime is 1324143263. The reversal of 1324143213 is 3123414231.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1324143213 - 2⁸ = 1324142957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324143203) 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, 220690533 + ... + 220690538.

It is an arithmetic number, because the mean of its divisors is an integer number (441381072).

Almost surely, 2^1324143213 is an apocalyptic number.

It is an amenable number.

1324143213 is a deficient number, since it is larger than the sum of its proper divisors (441381075).

1324143213 is an equidigital number, since it uses as much as digits as its factorization.

1324143213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441381074.

The product of its digits is 1728, while the sum is 24.

The square root of 1324143213 is about 36388.7786687050. The cubic root of 1324143213 is about 1098.1078249856.

Adding to 1324143213 its reverse (3123414231), we get a palindrome (4447557444).

The spelling of 1324143213 in words is "one billion, three hundred twenty-four million, one hundred forty-three thousand, two hundred thirteen".