12103313311 has 4 divisors (see below), whose sum is σ = 12107867800. Its totient is φ = 12098758824.

The previous prime is 12103313293. The next prime is 12103313317. The reversal of 12103313311 is 11331330121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12103313311 - 2¹³ = 12103305119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103313317) 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, 2273256 + ... + 2278573.

It is an arithmetic number, because the mean of its divisors is an integer number (3026966950).

Almost surely, 2^12103313311 is an apocalyptic number.

12103313311 is a deficient number, since it is larger than the sum of its proper divisors (4554489).

12103313311 is an equidigital number, since it uses as much as digits as its factorization.

12103313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554488.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 12103313311 its reverse (11331330121), we get a palindrome (23434643432).

The spelling of 12103313311 in words is "twelve billion, one hundred three million, three hundred thirteen thousand, three hundred eleven".