131103210110220 has 36 divisors (see below), whose sum is σ = 397679737334880. Its totient is φ = 34960856029344.

The previous prime is 131103210110219. The next prime is 131103210110251. The reversal of 131103210110220 is 22011012301131.

131103210110220 is a `hidden beast` number, since 1 + 3 + 1 + 10 + 321 + 0 + 110 + 220 = 666.

131103210110220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131103210110193 and 131103210110202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364175583460 + ... + 364175583819.

Almost surely, 2^{131103210110220} is an apocalyptic number.

131103210110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131103210110220 is an abundant number, since it is smaller than the sum of its proper divisors (266576527224660).

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

131103210110220 is a wasteful number, since it uses less digits than its factorization.

131103210110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728351167294 (or 728351167289 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 131103210110220 its reverse (22011012301131), we get a palindrome (153114222411351).

The spelling of 131103210110220 in words is "one hundred thirty-one trillion, one hundred three billion, two hundred ten million, one hundred ten thousand, two hundred twenty".