131222103123 has 16 divisors (see below), whose sum is σ = 175308696576. Its totient is φ = 87308553120.

The previous prime is 131222103121. The next prime is 131222103149. The reversal of 131222103123 is 321301222131.

It is not a de Polignac number, because 131222103123 - 2¹ = 131222103121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131222103123.

It is not an unprimeable number, because it can be changed into a prime (131222103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6510940 + ... + 6531062.

It is an arithmetic number, because the mean of its divisors is an integer number (10956793536).

Almost surely, 2^131222103123 is an apocalyptic number.

131222103123 is a deficient number, since it is larger than the sum of its proper divisors (44086593453).

131222103123 is a wasteful number, since it uses less digits than its factorization.

131222103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24314.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131222103123 its reverse (321301222131), we get a palindrome (452523325254).

The spelling of 131222103123 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred three thousand, one hundred twenty-three".