531042223 has 8 divisors (see below), whose sum is σ = 543263600. Its totient is φ = 518954688.

The previous prime is 531042221. The next prime is 531042227. The reversal of 531042223 is 322240135.

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

It is a cyclic number.

It is not a de Polignac number, because 531042223 - 2¹ = 531042221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531042194 and 531042203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531042221) 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, 25413 + ... + 41326.

It is an arithmetic number, because the mean of its divisors is an integer number (67907950).

Almost surely, 2^531042223 is an apocalyptic number.

531042223 is a deficient number, since it is larger than the sum of its proper divisors (12221377).

531042223 is a wasteful number, since it uses less digits than its factorization.

531042223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66921.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 531042223 is about 23044.3533864589. The cubic root of 531042223 is about 809.7973495987.

Adding to 531042223 its reverse (322240135), we get a palindrome (853282358).

The spelling of 531042223 in words is "five hundred thirty-one million, forty-two thousand, two hundred twenty-three".