531314430312 has 16 divisors (see below), whose sum is σ = 1328286075840. Its totient is φ = 177104810096.

The previous prime is 531314430287. The next prime is 531314430313. The reversal of 531314430312 is 213034413135.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 531314430312.

It is not an unprimeable number, because it can be changed into a prime (531314430313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11069050608 + ... + 11069050655.

It is an arithmetic number, because the mean of its divisors is an integer number (83017879740).

Almost surely, 2^531314430312 is an apocalyptic number.

It is an amenable number.

531314430312 is an abundant number, since it is smaller than the sum of its proper divisors (796971645528).

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

531314430312 is a wasteful number, since it uses less digits than its factorization.

531314430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22138101272 (or 22138101268 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 531314430312 its reverse (213034413135), we get a palindrome (744348843447).

The spelling of 531314430312 in words is "five hundred thirty-one billion, three hundred fourteen million, four hundred thirty thousand, three hundred twelve".