531314545112 has 96 divisors (see below), whose sum is σ = 1089954954000. Its totient is φ = 242678592000.

The previous prime is 531314545103. The next prime is 531314545123. The reversal of 531314545112 is 211545413135.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163429487 + ... + 163432737.

Almost surely, 2^531314545112 is an apocalyptic number.

531314545112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531314545112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544977477000).

531314545112 is an abundant number, since it is smaller than the sum of its proper divisors (558640408888).

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

531314545112 is a wasteful number, since it uses less digits than its factorization.

531314545112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501 (or 4484 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

Adding to 531314545112 its reverse (211545413135), we get a palindrome (742859958247).

The spelling of 531314545112 in words is "five hundred thirty-one billion, three hundred fourteen million, five hundred forty-five thousand, one hundred twelve".