131223122420103 has 64 divisors (see below), whose sum is σ = 230930666910720. Its totient is φ = 72079016731776.

The previous prime is 131223122420051. The next prime is 131223122420129. The reversal of 131223122420103 is 301024221322131.

131223122420103 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 2 + 312 + 242 + 0 + 103 = 666.

It is not a de Polignac number, because 131223122420103 - 2¹⁷ = 131223122289031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223122420003) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 112461300 + ... + 113622137.

It is an arithmetic number, because the mean of its divisors is an integer number (3608291670480).

Almost surely, 2^{131223122420103} is an apocalyptic number.

131223122420103 is a deficient number, since it is larger than the sum of its proper divisors (99707544490617).

131223122420103 is a wasteful number, since it uses less digits than its factorization.

131223122420103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226083573 (or 226083567 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131223122420103 its reverse (301024221322131), we get a palindrome (432247343742234).

The spelling of 131223122420103 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred twenty-two million, four hundred twenty thousand, one hundred three".