131201443221040 has 40 divisors (see below), whose sum is σ = 313287770509200. Its totient is φ = 51062183306496.

The previous prime is 131201443221031. The next prime is 131201443221059. The reversal of 131201443221040 is 40122344102131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22162402990 + ... + 22162408909.

It is an arithmetic number, because the mean of its divisors is an integer number (7832194262730).

Almost surely, 2^{131201443221040} is an apocalyptic number.

131201443221040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201443221040 is an abundant number, since it is smaller than the sum of its proper divisors (182086327288160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131201443221040 is a wasteful number, since it uses less digits than its factorization.

131201443221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44324811949 (or 44324811943 counting only the distinct ones).

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

Adding to 131201443221040 its reverse (40122344102131), we get a palindrome (171323787323171).

The spelling of 131201443221040 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred forty-three million, two hundred twenty-one thousand, forty".