531252111223 has 8 divisors (see below), whose sum is σ = 555172915968. Its totient is φ = 507857038584.

The previous prime is 531252111211. The next prime is 531252111241. The reversal of 531252111223 is 322111252135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531252111223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531252111191 and 531252111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531252111293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131430961 + ... + 131435002.

It is an arithmetic number, because the mean of its divisors is an integer number (69396614496).

Almost surely, 2^531252111223 is an apocalyptic number.

531252111223 is a deficient number, since it is larger than the sum of its proper divisors (23920804745).

531252111223 is a wasteful number, since it uses less digits than its factorization.

531252111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262866053.

The product of its digits is 3600, while the sum is 28.

Adding to 531252111223 its reverse (322111252135), we get a palindrome (853363363358).

The spelling of 531252111223 in words is "five hundred thirty-one billion, two hundred fifty-two million, one hundred eleven thousand, two hundred twenty-three".