100031220103 has 8 divisors (see below), whose sum is σ = 100279438848. Its totient is φ = 99783308184.

The previous prime is 100031220041. The next prime is 100031220139. The reversal of 100031220103 is 301022130001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100031220103 - 2¹⁷ = 100031089031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031220403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583150 + ... + 734932.

It is an arithmetic number, because the mean of its divisors is an integer number (12534929856).

Almost surely, 2^100031220103 is an apocalyptic number.

100031220103 is a deficient number, since it is larger than the sum of its proper divisors (248218745).

100031220103 is an equidigital number, since it uses as much as digits as its factorization.

100031220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153413.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100031220103 its reverse (301022130001), we get a palindrome (401053350104).

The spelling of 100031220103 in words is "one hundred billion, thirty-one million, two hundred twenty thousand, one hundred three".