531103424 has 28 divisors (see below), whose sum is σ = 1056613584. Its totient is φ = 264870144.

The previous prime is 531103423. The next prime is 531103451. The reversal of 531103424 is 424301135.

It is a self number, because there is not a number n which added to its sum of digits gives 531103424.

It is not an unprimeable number, because it can be changed into a prime (531103423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14957 + ... + 35859.

Almost surely, 2^531103424 is an apocalyptic number.

It is an amenable number.

531103424 is a deficient number, since it is larger than the sum of its proper divisors (525510160).

531103424 is a wasteful number, since it uses less digits than its factorization.

531103424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312 (or 21302 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 531103424 is about 23045.6812439988. The cubic root of 531103424 is about 809.8284572970.

Adding to 531103424 its reverse (424301135), we get a palindrome (955404559).

The spelling of 531103424 in words is "five hundred thirty-one million, one hundred three thousand, four hundred twenty-four".