11131313112 has 64 divisors (see below), whose sum is σ = 30949260000. Its totient is φ = 3706964352.

The previous prime is 11131313101. The next prime is 11131313117. The reversal of 11131313112 is 21131313111.

It is a super-2 number, since 2×11131313112² (a number of 21 digits) contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131313117) 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, 212514 + ... + 259662.

Almost surely, 2^11131313112 is an apocalyptic number.

11131313112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11131313112 is an abundant number, since it is smaller than the sum of its proper divisors (19817946888).

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

11131313112 is a wasteful number, since it uses less digits than its factorization.

11131313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48257 (or 48247 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

Adding to 11131313112 its reverse (21131313111), we get a palindrome (32262626223).

Subtracting 11131313112 from its reverse (21131313111), we obtain a palindrome (9999999999).

The spelling of 11131313112 in words is "eleven billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred twelve".