131201421023422 has 24 divisors (see below), whose sum is σ = 210515209309944. Its totient is φ = 61289238111024.

The previous prime is 131201421023369. The next prime is 131201421023423. The reversal of 131201421023422 is 224320124102131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201421023423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1441918513 + ... + 1442009500.

It is an arithmetic number, because the mean of its divisors is an integer number (8771467054581).

Almost surely, 2^{131201421023422} is an apocalyptic number.

131201421023422 is a deficient number, since it is larger than the sum of its proper divisors (79313788286522).

131201421023422 is a wasteful number, since it uses less digits than its factorization.

131201421023422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883928104 (or 2883928081 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131201421023422 its reverse (224320124102131), we get a palindrome (355521545125553).

The spelling of 131201421023422 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-one million, twenty-three thousand, four hundred twenty-two".