531108368 has 160 divisors (see below), whose sum is σ = 1306583040. Its totient is φ = 204042240.

The previous prime is 531108353. The next prime is 531108377. The reversal of 531108368 is 863801135.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5475296 + ... + 5475392.

It is an arithmetic number, because the mean of its divisors is an integer number (8166144).

Almost surely, 2^531108368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531108368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653291520).

531108368 is an abundant number, since it is smaller than the sum of its proper divisors (775474672).

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

531108368 is a wasteful number, since it uses less digits than its factorization.

531108368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 531108368 is about 23045.7885089662. The cubic root of 531108368 is about 809.8309701657.

The spelling of 531108368 in words is "five hundred thirty-one million, one hundred eight thousand, three hundred sixty-eight".