11131312 has 20 divisors (see below), whose sum is σ = 21645936. Its totient is φ = 5545280.

The previous prime is 11131279. The next prime is 11131327. The reversal of 11131312 is 21313111.

11131312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11131312² = 247812213682688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11131292 and 11131301.

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, 3858 + ... + 6094.

Almost surely, 2^11131312 is an apocalyptic number.

It is an amenable number.

11131312 is a deficient number, since it is larger than the sum of its proper divisors (10514624).

11131312 is a wasteful number, since it uses less digits than its factorization.

11131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2550 counting only the distinct ones).

The product of its digits is 18, while the sum is 13.

The square root of 11131312 is about 3336.3620906610. The cubic root of 11131312 is about 223.2794662293.

Adding to 11131312 its reverse (21313111), we get a palindrome (32444423).

The spelling of 11131312 in words is "eleven million, one hundred thirty-one thousand, three hundred twelve".