131221240044003 has 96 divisors (see below), whose sum is σ = 202386063559680. Its totient is φ = 81754228765440.

The previous prime is 131221240044001. The next prime is 131221240044029. The reversal of 131221240044003 is 300440042122131.

131221240044003 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 212 + 4 + 0 + 0 + 440 + 0 + 3 = 666.

It is not a de Polignac number, because 131221240044003 - 2¹ = 131221240044001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131221240044001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 780488313 + ... + 780656421.

It is an arithmetic number, because the mean of its divisors is an integer number (2108188162080).

Almost surely, 2^{131221240044003} is an apocalyptic number.

131221240044003 is a deficient number, since it is larger than the sum of its proper divisors (71164823515677).

131221240044003 is a wasteful number, since it uses less digits than its factorization.

131221240044003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168689 (or 168686 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 131221240044003 its reverse (300440042122131), we get a palindrome (431661282166134).

The spelling of 131221240044003 in words is "one hundred thirty-one trillion, two hundred twenty-one billion, two hundred forty million, forty-four thousand, three".