12311302111 has 8 divisors (see below), whose sum is σ = 13406137200. Its totient is φ = 11261154240.

The previous prime is 12311302079. The next prime is 12311302121. The reversal of 12311302111 is 11120311321.

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 12311302111 - 2⁵ = 12311302079 is a prime.

It is a super-4 number, since 4×12311302111⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311302121) 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, 11171230 + ... + 11172331.

It is an arithmetic number, because the mean of its divisors is an integer number (1675767150).

Almost surely, 2^12311302111 is an apocalyptic number.

12311302111 is a deficient number, since it is larger than the sum of its proper divisors (1094835089).

12311302111 is a wasteful number, since it uses less digits than its factorization.

12311302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22343609.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12311302111 its reverse (11120311321), we get a palindrome (23431613432).

The spelling of 12311302111 in words is "twelve billion, three hundred eleven million, three hundred two thousand, one hundred eleven".