131044445507 has 16 divisors (see below), whose sum is σ = 136403546400. Its totient is φ = 125742812160.

The previous prime is 131044445491. The next prime is 131044445509. The reversal of 131044445507 is 705544440131.

It is not a de Polignac number, because 131044445507 - 2⁴ = 131044445491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131044445509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5295032 + ... + 5319722.

It is an arithmetic number, because the mean of its divisors is an integer number (8525221650).

Almost surely, 2^131044445507 is an apocalyptic number.

131044445507 is a deficient number, since it is larger than the sum of its proper divisors (5359100893).

131044445507 is a wasteful number, since it uses less digits than its factorization.

131044445507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25846.

The product of its (nonzero) digits is 134400, while the sum is 38.

Adding to 131044445507 its reverse (705544440131), we get a palindrome (836588885638).

The spelling of 131044445507 in words is "one hundred thirty-one billion, forty-four million, four hundred forty-five thousand, five hundred seven".