531314688 has 48 divisors (see below), whose sum is σ = 1416509640. Its totient is φ = 177102848.

The previous prime is 531314681. The next prime is 531314711. The reversal of 531314688 is 886413135.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531314681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37095 + ... + 49382.

Almost surely, 2^531314688 is an apocalyptic number.

It is an amenable number.

531314688 is an abundant number, since it is smaller than the sum of its proper divisors (885194952).

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

531314688 is an equidigital number, since it uses as much as digits as its factorization.

531314688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86502 (or 86482 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 531314688 is about 23050.2643802625. The cubic root of 531314688 is about 809.9358217708.

The spelling of 531314688 in words is "five hundred thirty-one million, three hundred fourteen thousand, six hundred eighty-eight".