531442234233 has 72 divisors (see below), whose sum is σ = 830772633600. Its totient is φ = 327127870080.

The previous prime is 531442234223. The next prime is 531442234243. The reversal of 531442234233 is 332432244135.

531442234233 is a `hidden beast` number, since 5 + 3 + 1 + 4 + 4 + 223 + 423 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (531442234223) and next prime (531442234243).

It is not a de Polignac number, because 531442234233 - 2¹⁰ = 531442233209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531442234223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 221525368 + ... + 221527766.

It is an arithmetic number, because the mean of its divisors is an integer number (11538508800).

Almost surely, 2^531442234233 is an apocalyptic number.

It is an amenable number.

531442234233 is a deficient number, since it is larger than the sum of its proper divisors (299330399367).

531442234233 is a wasteful number, since it uses less digits than its factorization.

531442234233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147 (or 4125 counting only the distinct ones).

The product of its digits is 207360, while the sum is 36.

Adding to 531442234233 its reverse (332432244135), we get a palindrome (863874478368).

The spelling of 531442234233 in words is "five hundred thirty-one billion, four hundred forty-two million, two hundred thirty-four thousand, two hundred thirty-three".