11233431 has 32 divisors (see below), whose sum is σ = 18374400. Its totient is φ = 6726240.

The previous prime is 11233399. The next prime is 11233433. The reversal of 11233431 is 13433211.

11233431 is a `hidden beast` number, since 1 + 1 + 233 + 431 = 666.

It is not a de Polignac number, because 11233431 - 2⁵ = 11233399 is a prime.

It is a super-2 number, since 2×11233431² = 252379944063522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233433) 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 31 ways as a sum of consecutive naturals, for example, 32200 + ... + 32546.

It is an arithmetic number, because the mean of its divisors is an integer number (574200).

Almost surely, 2^11233431 is an apocalyptic number.

11233431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11233431 is a deficient number, since it is larger than the sum of its proper divisors (7140969).

11233431 is a wasteful number, since it uses less digits than its factorization.

11233431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 470 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 11233431 is about 3351.6310954519. The cubic root of 11233431 is about 223.9601797307.

Adding to 11233431 its reverse (13433211), we get a palindrome (24666642).

It can be divided in two parts, 11233 and 431, that added together give a square (11664 = 108²).

The spelling of 11233431 in words is "eleven million, two hundred thirty-three thousand, four hundred thirty-one".