1323321033213 has 16 divisors (see below), whose sum is σ = 1960559539840. Its totient is φ = 882176251392.

The previous prime is 1323321033211. The next prime is 1323321033233. The reversal of 1323321033213 is 3123301233231.

1323321033213 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 321 + 0 + 332 + 1 + 3 = 666.

It is not a de Polignac number, because 1323321033213 - 2¹ = 1323321033211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323321033211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399556 + ... + 1675197.

It is an arithmetic number, because the mean of its divisors is an integer number (122534971240).

Almost surely, 2^{1323321033213} is an apocalyptic number.

It is an amenable number.

1323321033213 is a deficient number, since it is larger than the sum of its proper divisors (637238506627).

1323321033213 is a wasteful number, since it uses less digits than its factorization.

1323321033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098385 (or 2098379 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1323321033213 its reverse (3123301233231), we get a palindrome (4446622266444).

The spelling of 1323321033213 in words is "one trillion, three hundred twenty-three billion, three hundred twenty-one million, thirty-three thousand, two hundred thirteen".