100431441220 has 24 divisors (see below), whose sum is σ = 230079302208. Its totient is φ = 36520524000.

The previous prime is 100431441197. The next prime is 100431441233. The reversal of 100431441220 is 22144134001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 100431441191 and 100431441200.

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 7 ways as a sum of consecutive naturals, for example, 228253056 + ... + 228253495.

It is an arithmetic number, because the mean of its divisors is an integer number (9586637592).

Almost surely, 2^100431441220 is an apocalyptic number.

100431441220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100431441220 is an abundant number, since it is smaller than the sum of its proper divisors (129647860988).

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

100431441220 is a wasteful number, since it uses less digits than its factorization.

100431441220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456506571 (or 456506569 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 100431441220 its reverse (22144134001), we get a palindrome (122575575221).

The spelling of 100431441220 in words is "one hundred billion, four hundred thirty-one million, four hundred forty-one thousand, two hundred twenty".