131032221203 has 6 divisors (see below), whose sum is σ = 141886961604. Its totient is φ = 120952819416.

The previous prime is 131032221179. The next prime is 131032221241. The reversal of 131032221203 is 302122230131.

It is not a de Polignac number, because 131032221203 - 2²⁰ = 131031172627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131032221403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387669125 + ... + 387669462.

It is an arithmetic number, because the mean of its divisors is an integer number (23647826934).

Almost surely, 2^131032221203 is an apocalyptic number.

131032221203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131032221203 is a deficient number, since it is larger than the sum of its proper divisors (10854740401).

131032221203 is an equidigital number, since it uses as much as digits as its factorization.

131032221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775338613 (or 775338600 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131032221203 its reverse (302122230131), we get a palindrome (433154451334).

The spelling of 131032221203 in words is "one hundred thirty-one billion, thirty-two million, two hundred twenty-one thousand, two hundred three".