11313012321 has 96 divisors (see below), whose sum is σ = 18985494528. Its totient is φ = 6429818880.

The previous prime is 11313012307. The next prime is 11313012329. The reversal of 11313012321 is 12321031311.

11313012321 is a `hidden beast` number, since 1 + 131 + 301 + 232 + 1 = 666.

11313012321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11313012321 - 2⁶ = 11313012257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11313012294 and 11313012303.

It is not an unprimeable number, because it can be changed into a prime (11313012329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36850050 + ... + 36850356.

It is an arithmetic number, because the mean of its divisors is an integer number (197765568).

Almost surely, 2^11313012321 is an apocalyptic number.

It is an amenable number.

11313012321 is a deficient number, since it is larger than the sum of its proper divisors (7672482207).

11313012321 is a wasteful number, since it uses less digits than its factorization.

11313012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11313012321 its reverse (12321031311), we get a palindrome (23634043632).

The spelling of 11313012321 in words is "eleven billion, three hundred thirteen million, twelve thousand, three hundred twenty-one".