131223100304422 has 16 divisors (see below), whose sum is σ = 224954630399520. Its totient is φ = 56238285518208.

The previous prime is 131223100304377. The next prime is 131223100304423. The reversal of 131223100304422 is 224403001322131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223100304423) 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 7 ways as a sum of consecutive naturals, for example, 11076597 + ... + 19624912.

It is an arithmetic number, because the mean of its divisors is an integer number (14059664399970).

Almost surely, 2^{131223100304422} is an apocalyptic number.

131223100304422 is a deficient number, since it is larger than the sum of its proper divisors (93731530095098).

131223100304422 is a wasteful number, since it uses less digits than its factorization.

131223100304422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31006815.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131223100304422 its reverse (224403001322131), we get a palindrome (355626101626553).

The spelling of 131223100304422 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred million, three hundred four thousand, four hundred twenty-two".