531004317311 has 16 divisors (see below), whose sum is σ = 573040366080. Its totient is φ = 489139015680.

The previous prime is 531004317307. The next prime is 531004317397. The reversal of 531004317311 is 113713400135.

It is a cyclic number.

It is not a de Polignac number, because 531004317311 - 2² = 531004317307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531004317211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17092130 + ... + 17123168.

It is an arithmetic number, because the mean of its divisors is an integer number (35815022880).

Almost surely, 2^531004317311 is an apocalyptic number.

531004317311 is a deficient number, since it is larger than the sum of its proper divisors (42036048769).

531004317311 is a wasteful number, since it uses less digits than its factorization.

531004317311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33746.

The product of its (nonzero) digits is 3780, while the sum is 29.

Adding to 531004317311 its reverse (113713400135), we get a palindrome (644717717446).

The spelling of 531004317311 in words is "five hundred thirty-one billion, four million, three hundred seventeen thousand, three hundred eleven".