1323211113313 has 4 divisors (see below), whose sum is σ = 1348177360788. Its totient is φ = 1298244865840.

The previous prime is 1323211113299. The next prime is 1323211113359. The reversal of 1323211113313 is 3133111123231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 547388380449 + 775822732864 = 739857^2 + 880808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323211113313 - 2³⁷ = 1185772159841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323211113373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12483123658 + ... + 12483123763.

It is an arithmetic number, because the mean of its divisors is an integer number (337044340197).

Almost surely, 2^{1323211113313} is an apocalyptic number.

It is an amenable number.

1323211113313 is a deficient number, since it is larger than the sum of its proper divisors (24966247475).

1323211113313 is an equidigital number, since it uses as much as digits as its factorization.

1323211113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24966247474.

The product of its digits is 972, while the sum is 25.

Adding to 1323211113313 its reverse (3133111123231), we get a palindrome (4456322236544).

The spelling of 1323211113313 in words is "one trillion, three hundred twenty-three billion, two hundred eleven million, one hundred thirteen thousand, three hundred thirteen".