100318530 has 64 divisors (see below), whose sum is σ = 274555008. Its totient is φ = 23239680.

The previous prime is 100318529. The next prime is 100318549. The reversal of 100318530 is 35813001.

It is a happy number.

It is a super-2 number, since 2×100318530² = 20127614922721800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100318497 and 100318506.

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, 936 + ... + 14195.

It is an arithmetic number, because the mean of its divisors is an integer number (4289922).

Almost surely, 2^100318530 is an apocalyptic number.

100318530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100318530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137277504).

100318530 is an abundant number, since it is smaller than the sum of its proper divisors (174236478).

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

100318530 is a wasteful number, since it uses less digits than its factorization.

100318530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171.

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

The square root of 100318530 is about 10015.9138374888. The cubic root of 100318530 is about 464.6511894469.

The spelling of 100318530 in words is "one hundred million, three hundred eighteen thousand, five hundred thirty".