131020231044422 has 4 divisors (see below), whose sum is σ = 196530346566636. Its totient is φ = 65510115522210.

The previous prime is 131020231044421. The next prime is 131020231044449. The reversal of 131020231044422 is 224440132020131.

131020231044422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020231044421) 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 as a sum of consecutive naturals, namely, 32755057761104 + ... + 32755057761107.

It is an arithmetic number, because the mean of its divisors is an integer number (49132586641659).

Almost surely, 2^{131020231044422} is an apocalyptic number.

131020231044422 is a deficient number, since it is larger than the sum of its proper divisors (65510115522214).

131020231044422 is an equidigital number, since it uses as much as digits as its factorization.

131020231044422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65510115522213.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131020231044422 its reverse (224440132020131), we get a palindrome (355460363064553).

The spelling of 131020231044422 in words is "one hundred thirty-one trillion, twenty billion, two hundred thirty-one million, forty-four thousand, four hundred twenty-two".