131444424342411 has 32 divisors (see below), whose sum is σ = 185458165751040. Its totient is φ = 82580025636864.

The previous prime is 131444424342391. The next prime is 131444424342421. The reversal of 131444424342411 is 114243424444131.

It is a de Polignac number, because none of the positive numbers 2^k-131444424342411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131444424342421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415816 + ... + 16219178.

It is an arithmetic number, because the mean of its divisors is an integer number (5795567679720).

Almost surely, 2^{131444424342411} is an apocalyptic number.

131444424342411 is a deficient number, since it is larger than the sum of its proper divisors (54013741408629).

131444424342411 is a wasteful number, since it uses less digits than its factorization.

131444424342411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804155.

The product of its digits is 589824, while the sum is 42.

Adding to 131444424342411 its reverse (114243424444131), we get a palindrome (245687848786542).

The spelling of 131444424342411 in words is "one hundred thirty-one trillion, four hundred forty-four billion, four hundred twenty-four million, three hundred forty-two thousand, four hundred eleven".