1320814213 has 4 divisors (see below), whose sum is σ = 1327074208. Its totient is φ = 1314554220.

The previous prime is 1320814093. The next prime is 1320814223. The reversal of 1320814213 is 3124180231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3124180231 = 5669 ⋅551099.

It is a cyclic number.

It is not a de Polignac number, because 1320814213 - 2²¹ = 1318717061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320814223) 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, 3129681 + ... + 3130102.

It is an arithmetic number, because the mean of its divisors is an integer number (331768552).

Almost surely, 2^1320814213 is an apocalyptic number.

It is an amenable number.

1320814213 is a deficient number, since it is larger than the sum of its proper divisors (6259995).

1320814213 is an equidigital number, since it uses as much as digits as its factorization.

1320814213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259994.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1320814213 is about 36343.0077594026. The cubic root of 1320814213 is about 1097.1868096230.

Adding to 1320814213 its reverse (3124180231), we get a palindrome (4444994444).

The spelling of 1320814213 in words is "one billion, three hundred twenty million, eight hundred fourteen thousand, two hundred thirteen".