531045522016312 has 48 divisors (see below), whose sum is σ = 1050882229117800. Its totient is φ = 251545995771840.

The previous prime is 531045522016283. The next prime is 531045522016333. The reversal of 531045522016312 is 213610225540135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432323887 + ... + 433550497.

Almost surely, 2^{531045522016312} is an apocalyptic number.

It is an amenable number.

531045522016312 is a deficient number, since it is larger than the sum of its proper divisors (519836707101488).

531045522016312 is a wasteful number, since it uses less digits than its factorization.

531045522016312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376564 (or 1376541 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 531045522016312 its reverse (213610225540135), we get a palindrome (744655747556447).

The spelling of 531045522016312 in words is "five hundred thirty-one trillion, forty-five billion, five hundred twenty-two million, sixteen thousand, three hundred twelve".