11233731 has 8 divisors (see below), whose sum is σ = 15766720. Its totient is φ = 7094952.

The previous prime is 11233723. The next prime is 11233757. The reversal of 11233731 is 13733211.

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

It is not a de Polignac number, because 11233731 - 2³ = 11233723 is a prime.

It is a super-2 number, since 2×11233731² = 252393424360722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11233698 and 11233707.

It is not an unprimeable number, because it can be changed into a prime (11233711) 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 7 ways as a sum of consecutive naturals, for example, 98485 + ... + 98598.

It is an arithmetic number, because the mean of its divisors is an integer number (1970840).

Almost surely, 2^11233731 is an apocalyptic number.

11233731 is a deficient number, since it is larger than the sum of its proper divisors (4532989).

11233731 is a wasteful number, since it uses less digits than its factorization.

11233731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197105.

The product of its digits is 378, while the sum is 21.

The square root of 11233731 is about 3351.6758494819. The cubic root of 11233731 is about 223.9621734064.

Adding to 11233731 its reverse (13733211), we get a palindrome (24966942).

The spelling of 11233731 in words is "eleven million, two hundred thirty-three thousand, seven hundred thirty-one".