11340531 has 6 divisors (see below), whose sum is σ = 16380780. Its totient is φ = 7560348.

The previous prime is 11340523. The next prime is 11340533. The reversal of 11340531 is 13504311.

11340531 is a `hidden beast` number, since 1 + 134 + 0 + 531 = 666.

It is not a de Polignac number, because 11340531 - 2³ = 11340523 is a prime.

It is a super-2 number, since 2×11340531² = 257215286723922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11340533) 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 5 ways as a sum of consecutive naturals, for example, 630021 + ... + 630038.

It is an arithmetic number, because the mean of its divisors is an integer number (2730130).

Almost surely, 2^11340531 is an apocalyptic number.

11340531 is a deficient number, since it is larger than the sum of its proper divisors (5040249).

11340531 is a wasteful number, since it uses less digits than its factorization.

11340531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260065 (or 1260062 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11340531 is about 3367.5704892400. The cubic root of 11340531 is about 224.6696782560.

Adding to 11340531 its reverse (13504311), we get a palindrome (24844842).

The spelling of 11340531 in words is "eleven million, three hundred forty thousand, five hundred thirty-one".