531440041233 has 16 divisors (see below), whose sum is σ = 709815750336. Its totient is φ = 353679069120.

The previous prime is 531440041207. The next prime is 531440041241. The reversal of 531440041233 is 332140044135.

It is not a de Polignac number, because 531440041233 - 2¹³ = 531440033041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531440041233.

It is not an unprimeable number, because it can be changed into a prime (531440041243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10704678 + ... + 10754208.

It is an arithmetic number, because the mean of its divisors is an integer number (44363484396).

Almost surely, 2^531440041233 is an apocalyptic number.

It is an amenable number.

531440041233 is a deficient number, since it is larger than the sum of its proper divisors (178375709103).

531440041233 is a wasteful number, since it uses less digits than its factorization.

531440041233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55664.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 531440041233 its reverse (332140044135), we get a palindrome (863580085368).

The spelling of 531440041233 in words is "five hundred thirty-one billion, four hundred forty million, forty-one thousand, two hundred thirty-three".