100131103220 has 48 divisors (see below), whose sum is σ = 210996273600. Its totient is φ = 39915321600.

The previous prime is 100131103157. The next prime is 100131103229. The reversal of 100131103220 is 22301131001.

It is a junction number, because it is equal to n+sod(n) for n = 100131103195 and 100131103204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131103229) 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, 8801696 + ... + 8813064.

It is an arithmetic number, because the mean of its divisors is an integer number (4395755700).

Almost surely, 2^100131103220 is an apocalyptic number.

100131103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100131103220 is an abundant number, since it is smaller than the sum of its proper divisors (110865170380).

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

100131103220 is a wasteful number, since it uses less digits than its factorization.

100131103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12848 (or 12846 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100131103220 its reverse (22301131001), we get a palindrome (122432234221).

The spelling of 100131103220 in words is "one hundred billion, one hundred thirty-one million, one hundred three thousand, two hundred twenty".