100321430 has 48 divisors (see below), whose sum is σ = 203615856. Its totient is φ = 35268480.

The previous prime is 100321391. The next prime is 100321457. The reversal of 100321430 is 34123001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 638912 + ... + 639068.

It is an arithmetic number, because the mean of its divisors is an integer number (4241997).

Almost surely, 2^100321430 is an apocalyptic number.

100321430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100321430 is an abundant number, since it is smaller than the sum of its proper divisors (103294426).

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

100321430 is a wasteful number, since it uses less digits than its factorization.

100321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100321430 is about 10016.0586060586. The cubic root of 100321430 is about 464.6556667702.

Adding to 100321430 its reverse (34123001), we get a palindrome (134444431).

The spelling of 100321430 in words is "one hundred million, three hundred twenty-one thousand, four hundred thirty".