131422322050444 has 48 divisors (see below), whose sum is σ = 244364204911680. Its totient is φ = 61726929465600.

The previous prime is 131422322050441. The next prime is 131422322050477. The reversal of 131422322050444 is 444050223224131.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (131422322050441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73588114 + ... + 75352870.

It is an arithmetic number, because the mean of its divisors is an integer number (5090920935660).

Almost surely, 2^{131422322050444} is an apocalyptic number.

It is an amenable number.

131422322050444 is a deficient number, since it is larger than the sum of its proper divisors (112941882861236).

131422322050444 is a wasteful number, since it uses less digits than its factorization.

131422322050444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782178 (or 1782176 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 131422322050444 its reverse (444050223224131), we get a palindrome (575472545274575).

The spelling of 131422322050444 in words is "one hundred thirty-one trillion, four hundred twenty-two billion, three hundred twenty-two million, fifty thousand, four hundred forty-four".