1323301312213 has 8 divisors (see below), whose sum is σ = 1327530545208. Its totient is φ = 1319072424384.

The previous prime is 1323301312171. The next prime is 1323301312217. The reversal of 1323301312213 is 3122131033231.

It can be written as a sum of positive squares in 4 ways, for example, as 199493542609 + 1123807769604 = 446647^2 + 1060098^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323301312213 - 2¹⁷ = 1323301181141 is a prime.

It is a super-2 number, since 2×1323301312213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323301312217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9176295 + ... + 9319387.

It is an arithmetic number, because the mean of its divisors is an integer number (165941318151).

Almost surely, 2^{1323301312213} is an apocalyptic number.

It is an amenable number.

1323301312213 is a deficient number, since it is larger than the sum of its proper divisors (4229232995).

1323301312213 is a wasteful number, since it uses less digits than its factorization.

1323301312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172583.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1323301312213 its reverse (3122131033231), we get a palindrome (4445432345444).

The spelling of 1323301312213 in words is "one trillion, three hundred twenty-three billion, three hundred one million, three hundred twelve thousand, two hundred thirteen".