12311331231102 has 32 divisors (see below), whose sum is σ = 24645100483584. Its totient is φ = 4100038622400.

The previous prime is 12311331231041. The next prime is 12311331231163. The reversal of 12311331231102 is 20113213311321.

It is an interprime number because it is at equal distance from previous prime (12311331231041) and next prime (12311331231163).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41214202 + ... + 41511842.

It is an arithmetic number, because the mean of its divisors is an integer number (770159390112).

Almost surely, 2^{12311331231102} is an apocalyptic number.

12311331231102 is an abundant number, since it is smaller than the sum of its proper divisors (12333769252482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311331231102 is a wasteful number, since it uses less digits than its factorization.

12311331231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303904.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12311331231102 its reverse (20113213311321), we get a palindrome (32424544542423).

The spelling of 12311331231102 in words is "twelve trillion, three hundred eleven billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred two".