11233831 has 4 divisors (see below), whose sum is σ = 12838672. Its totient is φ = 9628992.

The previous prime is 11233813. The next prime is 11233837. The reversal of 11233831 is 13833211.

11233831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13833211 = 7 ⋅1976173.

It is a cyclic number.

It is not a de Polignac number, because 11233831 - 2¹¹ = 11231783 is a prime.

It is a super-3 number, since 3×11233831³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233837) 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 3 ways as a sum of consecutive naturals, for example, 802410 + ... + 802423.

It is an arithmetic number, because the mean of its divisors is an integer number (3209668).

Almost surely, 2^11233831 is an apocalyptic number.

11233831 is a deficient number, since it is larger than the sum of its proper divisors (1604841).

11233831 is an equidigital number, since it uses as much as digits as its factorization.

11233831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604840.

The product of its digits is 432, while the sum is 22.

The square root of 11233831 is about 3351.6907673591. The cubic root of 11233831 is about 223.9628379571.

The spelling of 11233831 in words is "eleven million, two hundred thirty-three thousand, eight hundred thirty-one".