11310140 has 12 divisors (see below), whose sum is σ = 23751336. Its totient is φ = 4524048.

The previous prime is 11310139. The next prime is 11310157. The reversal of 11310140 is 4101311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282734 + ... + 282773.

It is an arithmetic number, because the mean of its divisors is an integer number (1979278).

Almost surely, 2^11310140 is an apocalyptic number.

11310140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11310140 is an abundant number, since it is smaller than the sum of its proper divisors (12441196).

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

11310140 is a wasteful number, since it uses less digits than its factorization.

11310140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565516 (or 565514 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11310140 is about 3363.0551586318. The cubic root of 11310140 is about 224.4688045172.

Adding to 11310140 its reverse (4101311), we get a palindrome (15411451).

The spelling of 11310140 in words is "eleven million, three hundred ten thousand, one hundred forty".