11380131 has 24 divisors (see below), whose sum is σ = 19395584. Its totient is φ = 6292080.

The previous prime is 11380121. The next prime is 11380133. The reversal of 11380131 is 13108311.

It is a happy number.

It is not a de Polignac number, because 11380131 - 2⁷ = 11380003 is a prime.

It is a super-2 number, since 2×11380131² = 259014763154322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11380133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 961 + ... + 4866.

Almost surely, 2^11380131 is an apocalyptic number.

11380131 is a deficient number, since it is larger than the sum of its proper divisors (8015453).

11380131 is a wasteful number, since it uses less digits than its factorization.

11380131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871 (or 5868 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11380131 is about 3373.4449750959. Note that the first 3 decimals coincide. The cubic root of 11380131 is about 224.9308824737.

Adding to 11380131 its reverse (13108311), we get a palindrome (24488442).

It can be divided in two parts, 11380 and 131, that added together give a palindrome (11511).

The spelling of 11380131 in words is "eleven million, three hundred eighty thousand, one hundred thirty-one".