131103220305204 has 108 divisors (see below), whose sum is σ = 385548183113184. Its totient is φ = 37453954251168.

The previous prime is 131103220305179. The next prime is 131103220305229. The reversal of 131103220305204 is 402503022301131.

131103220305204 is a `hidden beast` number, since 1 + 3 + 1 + 10 + 322 + 0 + 305 + 20 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (131103220305179) and next prime (131103220305229).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12028507 + ... + 20171549.

Almost surely, 2^{131103220305204} is an apocalyptic number.

131103220305204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131103220305204 is an abundant number, since it is smaller than the sum of its proper divisors (254444962807980).

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

131103220305204 is a wasteful number, since it uses less digits than its factorization.

131103220305204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152194 (or 8152182 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 131103220305204 its reverse (402503022301131), we get a palindrome (533606242606335).

The spelling of 131103220305204 in words is "one hundred thirty-one trillion, one hundred three billion, two hundred twenty million, three hundred five thousand, two hundred four".