12311313102 has 48 divisors (see below), whose sum is σ = 30102911280. Its totient is φ = 3602054400.

The previous prime is 12311313097. The next prime is 12311313121. The reversal of 12311313102 is 20131311321.

12311313102 is a `hidden beast` number, since 12 + 311 + 31 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 1066299 + ... + 1077782.

It is an arithmetic number, because the mean of its divisors is an integer number (627143985).

Almost surely, 2^12311313102 is an apocalyptic number.

12311313102 is an abundant number, since it is smaller than the sum of its proper divisors (17791598178).

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

12311313102 is a wasteful number, since it uses less digits than its factorization.

12311313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144129 (or 2144126 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12311313102 its reverse (20131311321), we get a palindrome (32442624423).

The spelling of 12311313102 in words is "twelve billion, three hundred eleven million, three hundred thirteen thousand, one hundred two".