11310012321 has 4 divisors (see below), whose sum is σ = 15080016432. Its totient is φ = 7540008212.

The previous prime is 11310012299. The next prime is 11310012323. The reversal of 11310012321 is 12321001311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11310012321 - 2⁹ = 11310011809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11310012321.

It is not an unprimeable number, because it can be changed into a prime (11310012323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885002051 + ... + 1885002056.

It is an arithmetic number, because the mean of its divisors is an integer number (3770004108).

Almost surely, 2^11310012321 is an apocalyptic number.

It is an amenable number.

11310012321 is a deficient number, since it is larger than the sum of its proper divisors (3770004111).

11310012321 is an equidigital number, since it uses as much as digits as its factorization.

11310012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770004110.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11310012321 its reverse (12321001311), we get a palindrome (23631013632).

The spelling of 11310012321 in words is "eleven billion, three hundred ten million, twelve thousand, three hundred twenty-one".