1323013021311 has 8 divisors (see below), whose sum is σ = 1764109607040. Its totient is φ = 881962558232.

The previous prime is 1323013021303. The next prime is 1323013021313. The reversal of 1323013021311 is 1131203103231.

It is a happy number.

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 1323013021311 - 2³ = 1323013021303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323013021313) 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, 11463675 + ... + 11578508.

It is an arithmetic number, because the mean of its divisors is an integer number (220513700880).

Almost surely, 2^{1323013021311} is an apocalyptic number.

1323013021311 is a deficient number, since it is larger than the sum of its proper divisors (441096585729).

1323013021311 is a wasteful number, since it uses less digits than its factorization.

1323013021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23061325.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1323013021311 its reverse (1131203103231), we get a palindrome (2454216124542).

The spelling of 1323013021311 in words is "one trillion, three hundred twenty-three billion, thirteen million, twenty-one thousand, three hundred eleven".