100543030 has 32 divisors (see below), whose sum is σ = 211647744. Its totient is φ = 33669216.

The previous prime is 100543019. The next prime is 100543039. The reversal of 100543030 is 30345001.

It is a junction number, because it is equal to n+sod(n) for n = 100542995 and 100543013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100543039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13692 + ... + 19711.

It is an arithmetic number, because the mean of its divisors is an integer number (6613992).

Almost surely, 2^100543030 is an apocalyptic number.

100543030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100543030 is an abundant number, since it is smaller than the sum of its proper divisors (111104714).

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

100543030 is a wasteful number, since it uses less digits than its factorization.

100543030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33460.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 100543030 is about 10027.1147395450. The cubic root of 100543030 is about 464.9975411286.

Adding to 100543030 its reverse (30345001), we get a palindrome (130888031).

The spelling of 100543030 in words is "one hundred million, five hundred forty-three thousand, thirty".