11311743 has 8 divisors (see below), whose sum is σ = 15120000. Its totient is φ = 7522328.

The previous prime is 11311739. The next prime is 11311747. The reversal of 11311743 is 34711311.

It is an interprime number because it is at equal distance from previous prime (11311739) and next prime (11311747).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11311743 - 2² = 11311739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3243 + ... + 5756.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^11311743 is an apocalyptic number.

11311743 is a deficient number, since it is larger than the sum of its proper divisors (3808257).

11311743 is an equidigital number, since it uses as much as digits as its factorization.

11311743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421.

The product of its digits is 252, while the sum is 21.

The square root of 11311743 is about 3363.2934751520. The cubic root of 11311743 is about 224.4794087625.

The spelling of 11311743 in words is "eleven million, three hundred eleven thousand, seven hundred forty-three".