1323011111013 has 16 divisors (see below), whose sum is σ = 1963599693760. Its totient is φ = 880394952528.

The previous prime is 1323011110999. The next prime is 1323011111039. The reversal of 1323011111013 is 3101111103231.

It is not a de Polignac number, because 1323011111013 - 2⁹ = 1323011110501 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 (1323011111063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44775370 + ... + 44804907.

It is an arithmetic number, because the mean of its divisors is an integer number (122724980860).

Almost surely, 2^{1323011111013} is an apocalyptic number.

It is an amenable number.

1323011111013 is a deficient number, since it is larger than the sum of its proper divisors (640588582747).

1323011111013 is an equidigital number, since it uses as much as digits as its factorization.

1323011111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89580833 (or 89580827 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1323011111013 its reverse (3101111103231), we get a palindrome (4424122214244).

The spelling of 1323011111013 in words is "one trillion, three hundred twenty-three billion, eleven million, one hundred eleven thousand, thirteen".