1323220312113 has 16 divisors (see below), whose sum is σ = 2016384254976. Its totient is φ = 756107689680.

The previous prime is 1323220312097. The next prime is 1323220312151. The reversal of 1323220312113 is 3112130223231.

It is not a de Polignac number, because 1323220312113 - 2⁴ = 1323220312097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323220392113) 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, 160518 + ... + 1634688.

It is an arithmetic number, because the mean of its divisors is an integer number (126024015936).

Almost surely, 2^{1323220312113} is an apocalyptic number.

It is an amenable number.

1323220312113 is a deficient number, since it is larger than the sum of its proper divisors (693163942863).

1323220312113 is a wasteful number, since it uses less digits than its factorization.

1323220312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516924.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1323220312113 its reverse (3112130223231), we get a palindrome (4435350535344).

The spelling of 1323220312113 in words is "one trillion, three hundred twenty-three billion, two hundred twenty million, three hundred twelve thousand, one hundred thirteen".