131201203241040 has 80 divisors (see below), whose sum is σ = 408469325629248. Its totient is φ = 34836828771328.

The previous prime is 131201203241027. The next prime is 131201203241047. The reversal of 131201203241040 is 40142302102131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 131201203241040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201203241047) 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, 1173059274 + ... + 1173171113.

Almost surely, 2^{131201203241040} is an apocalyptic number.

131201203241040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201203241040 is an abundant number, since it is smaller than the sum of its proper divisors (277268122388208).

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

131201203241040 is a wasteful number, since it uses less digits than its factorization.

131201203241040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346230636 (or 2346230630 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131201203241040 its reverse (40142302102131), we get a palindrome (171343505343171).

The spelling of 131201203241040 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred three million, two hundred forty-one thousand, forty".