100030320 has 120 divisors (see below), whose sum is σ = 361810176. Its totient is φ = 24620544.

The previous prime is 100030319. The next prime is 100030321. The reversal of 100030320 is 23030001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100030319) and next prime (100030321).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100030321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4017 + ... + 14703.

Almost surely, 2^100030320 is an apocalyptic number.

100030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180905088).

100030320 is an abundant number, since it is smaller than the sum of its proper divisors (261779856).

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

100030320 is a wasteful number, since it uses less digits than its factorization.

100030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10719 (or 10710 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 100030320 is about 10001.5158851046. The cubic root of 100030320 is about 464.2057896121.

Adding to 100030320 its reverse (23030001), we get a palindrome (123060321).

The spelling of 100030320 in words is "one hundred million, thirty thousand, three hundred twenty".