11321302312 has 16 divisors (see below), whose sum is σ = 21368023200. Its totient is φ = 5623162800.

The previous prime is 11321302297. The next prime is 11321302313. The reversal of 11321302312 is 21320312311.

It is a self number, because there is not a number n which added to its sum of digits gives 11321302312.

It is not an unprimeable number, because it can be changed into a prime (11321302313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4684762 + ... + 4687177.

It is an arithmetic number, because the mean of its divisors is an integer number (1335501450).

Almost surely, 2^11321302312 is an apocalyptic number.

It is an amenable number.

11321302312 is a deficient number, since it is larger than the sum of its proper divisors (10046720888).

11321302312 is a wasteful number, since it uses less digits than its factorization.

11321302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9372096 (or 9372092 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11321302312 its reverse (21320312311), we get a palindrome (32641614623).

Subtracting 11321302312 from its reverse (21320312311), we obtain a palindrome (9999009999).

The spelling of 11321302312 in words is "eleven billion, three hundred twenty-one million, three hundred two thousand, three hundred twelve".