531030108 has 96 divisors (see below), whose sum is σ = 1452971520. Its totient is φ = 147813120.

The previous prime is 531030079. The next prime is 531030113. The reversal of 531030108 is 801030135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 805483 + ... + 806141.

It is an arithmetic number, because the mean of its divisors is an integer number (15135120).

Almost surely, 2^531030108 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 531030108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726485760).

531030108 is an abundant number, since it is smaller than the sum of its proper divisors (921941412).

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

531030108 is a wasteful number, since it uses less digits than its factorization.

531030108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 531030108 is about 23044.0905223009. The cubic root of 531030108 is about 809.7911914132.

The spelling of 531030108 in words is "five hundred thirty-one million, thirty thousand, one hundred eight".