100100430 has 48 divisors (see below), whose sum is σ = 261312480. Its totient is φ = 26585664.

The previous prime is 100100423. The next prime is 100100461. The reversal of 100100430 is 34001001.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21556 + ... + 25784.

It is an arithmetic number, because the mean of its divisors is an integer number (5444010).

Almost surely, 2^100100430 is an apocalyptic number.

100100430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100100430 is an abundant number, since it is smaller than the sum of its proper divisors (161212050).

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

100100430 is a wasteful number, since it uses less digits than its factorization.

100100430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505 (or 4502 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100100430 is about 10005.0202398596. The cubic root of 100100430 is about 464.3142162948.

Adding to 100100430 its reverse (34001001), we get a palindrome (134101431).

The spelling of 100100430 in words is "one hundred million, one hundred thousand, four hundred thirty".