531350412312 has 16 divisors (see below), whose sum is σ = 1328376030840. Its totient is φ = 177116804096.

The previous prime is 531350412293. The next prime is 531350412349. The reversal of 531350412312 is 213214053135.

It is a self number, because there is not a number n which added to its sum of digits gives 531350412312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11069800233 + ... + 11069800280.

Almost surely, 2^531350412312 is an apocalyptic number.

It is an amenable number.

531350412312 is an abundant number, since it is smaller than the sum of its proper divisors (797025618528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531350412312 is a wasteful number, since it uses less digits than its factorization.

531350412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22139600522 (or 22139600518 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 531350412312 its reverse (213214053135), we get a palindrome (744564465447).

The spelling of 531350412312 in words is "five hundred thirty-one billion, three hundred fifty million, four hundred twelve thousand, three hundred twelve".