12031103323311 has 16 divisors (see below), whose sum is σ = 16501482708480. Its totient is φ = 7792366796480.

The previous prime is 12031103323303. The next prime is 12031103323427. The reversal of 12031103323311 is 11332330113021.

It is a cyclic number.

It is not a de Polignac number, because 12031103323311 - 2³ = 12031103323303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031103321311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204602085 + ... + 204660878.

It is an arithmetic number, because the mean of its divisors is an integer number (1031342669280).

Almost surely, 2^{12031103323311} is an apocalyptic number.

12031103323311 is a deficient number, since it is larger than the sum of its proper divisors (4470379385169).

12031103323311 is a wasteful number, since it uses less digits than its factorization.

12031103323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409263246.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 12031103323311 its reverse (11332330113021), we get a palindrome (23363433436332).

The spelling of 12031103323311 in words is "twelve trillion, thirty-one billion, one hundred three million, three hundred twenty-three thousand, three hundred eleven".