531164322223 has 4 divisors (see below), whose sum is σ = 531169205848. Its totient is φ = 531159438600.

The previous prime is 531164322203. The next prime is 531164322319. The reversal of 531164322223 is 322223461135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531164322223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531164322203) 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, 2274861 + ... + 2497462.

It is an arithmetic number, because the mean of its divisors is an integer number (132792301462).

Almost surely, 2^531164322223 is an apocalyptic number.

531164322223 is a deficient number, since it is larger than the sum of its proper divisors (4883625).

531164322223 is a wasteful number, since it uses less digits than its factorization.

531164322223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883624.

The product of its digits is 51840, while the sum is 34.

Adding to 531164322223 its reverse (322223461135), we get a palindrome (853387783358).

The spelling of 531164322223 in words is "five hundred thirty-one billion, one hundred sixty-four million, three hundred twenty-two thousand, two hundred twenty-three".