1323013323331 has 4 divisors (see below), whose sum is σ = 1512015226672. Its totient is φ = 1134011419992.

The previous prime is 1323013323293. The next prime is 1323013323367. The reversal of 1323013323331 is 1333233103231.

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

It is a cyclic number.

It is not a de Polignac number, because 1323013323331 - 2¹¹ = 1323013321283 is a prime.

It is a super-3 number, since 3×1323013323331³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323013323331.

It is not an unprimeable number, because it can be changed into a prime (1323013323391) 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 3 ways as a sum of consecutive naturals, for example, 94500951660 + ... + 94500951673.

It is an arithmetic number, because the mean of its divisors is an integer number (378003806668).

Almost surely, 2^{1323013323331} is an apocalyptic number.

1323013323331 is a deficient number, since it is larger than the sum of its proper divisors (189001903341).

1323013323331 is an equidigital number, since it uses as much as digits as its factorization.

1323013323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189001903340.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 1323013323331 its reverse (1333233103231), we get a palindrome (2656246426562).

The spelling of 1323013323331 in words is "one trillion, three hundred twenty-three billion, thirteen million, three hundred twenty-three thousand, three hundred thirty-one".