531354313211 has 4 divisors (see below), whose sum is σ = 531357534912. Its totient is φ = 531351091512.

The previous prime is 531354313169. The next prime is 531354313229. The reversal of 531354313211 is 112313453135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 531354313211 - 2³⁸ = 256476406267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531354313271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349300 + ... + 1698033.

It is an arithmetic number, because the mean of its divisors is an integer number (132839383728).

Almost surely, 2^531354313211 is an apocalyptic number.

531354313211 is a deficient number, since it is larger than the sum of its proper divisors (3221701).

531354313211 is a wasteful number, since it uses less digits than its factorization.

531354313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221700.

The product of its digits is 16200, while the sum is 32.

Adding to 531354313211 its reverse (112313453135), we get a palindrome (643667766346).

The spelling of 531354313211 in words is "five hundred thirty-one billion, three hundred fifty-four million, three hundred thirteen thousand, two hundred eleven".