13112311132 has 12 divisors (see below), whose sum is σ = 23944220496. Its totient is φ = 6271105280.

The previous prime is 13112311129. The next prime is 13112311151. The reversal of 13112311132 is 23111321131.

It is a super-2 number, since 2×13112311132² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71262469 + ... + 71262652.

It is an arithmetic number, because the mean of its divisors is an integer number (1995351708).

Almost surely, 2^13112311132 is an apocalyptic number.

It is an amenable number.

13112311132 is a deficient number, since it is larger than the sum of its proper divisors (10831909364).

13112311132 is a wasteful number, since it uses less digits than its factorization.

13112311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142525148 (or 142525146 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 13112311132 its reverse (23111321131), we get a palindrome (36223632263).

Subtracting 13112311132 from its reverse (23111321131), we obtain a palindrome (9999009999).

The spelling of 13112311132 in words is "thirteen billion, one hundred twelve million, three hundred eleven thousand, one hundred thirty-two".