11431004 has 48 divisors (see below), whose sum is σ = 23270688. Its totient is φ = 4866048.

The previous prime is 11431003. The next prime is 11431037. The reversal of 11431004 is 40013411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11431004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431001) 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 15 ways as a sum of consecutive naturals, for example, 59132 + ... + 59324.

It is an arithmetic number, because the mean of its divisors is an integer number (484806).

Almost surely, 2^11431004 is an apocalyptic number.

It is an amenable number.

11431004 is an abundant number, since it is smaller than the sum of its proper divisors (11839684).

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

11431004 is a wasteful number, since it uses less digits than its factorization.

11431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11431004 is about 3380.9767819374. The cubic root of 11431004 is about 225.2655564124.

Adding to 11431004 its reverse (40013411), we get a palindrome (51444415).

The spelling of 11431004 in words is "eleven million, four hundred thirty-one thousand, four".