11311213323 has 8 divisors (see below), whose sum is σ = 15875387200. Its totient is φ = 7143924168.

The previous prime is 11311213297. The next prime is 11311213327. The reversal of 11311213323 is 32331211311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11311213323 - 2⁶ = 11311213259 is a prime.

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 11311213323.

It is not an unprimeable number, because it can be changed into a prime (11311213327) 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, 99221113 + ... + 99221226.

It is an arithmetic number, because the mean of its divisors is an integer number (1984423400).

Almost surely, 2^11311213323 is an apocalyptic number.

11311213323 is a deficient number, since it is larger than the sum of its proper divisors (4564173877).

11311213323 is a wasteful number, since it uses less digits than its factorization.

11311213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198442361.

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

Adding to 11311213323 its reverse (32331211311), we get a palindrome (43642424634).

The spelling of 11311213323 in words is "eleven billion, three hundred eleven million, two hundred thirteen thousand, three hundred twenty-three".