11130311 has 4 divisors (see below), whose sum is σ = 11401824. Its totient is φ = 10858800.

The previous prime is 11130299. The next prime is 11130313. The reversal of 11130311 is 11303111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11303111 = 269 ⋅42019.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11130311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11130292 and 11130301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135695 + ... + 135776.

It is an arithmetic number, because the mean of its divisors is an integer number (2850456).

Almost surely, 2^11130311 is an apocalyptic number.

11130311 is a deficient number, since it is larger than the sum of its proper divisors (271513).

11130311 is an equidigital number, since it uses as much as digits as its factorization.

11130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271512.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 11130311 is about 3336.2120735948. The cubic root of 11130311 is about 223.2727731146.

Adding to 11130311 its reverse (11303111), we get a palindrome (22433422).

The spelling of 11130311 in words is "eleven million, one hundred thirty thousand, three hundred eleven".