131213444444443 has 8 divisors (see below), whose sum is σ = 136806849492480. Its totient is φ = 125691292964160.

The previous prime is 131213444444437. The next prime is 131213444444447. The reversal of 131213444444443 is 344444444312131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131213444444443 - 2³³ = 131204854509851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131213444444393 and 131213444444402.

It is not an unprimeable number, because it can be changed into a prime (131213444444447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17813388178 + ... + 17813395543.

It is an arithmetic number, because the mean of its divisors is an integer number (17100856186560).

Almost surely, 2^{131213444444443} is an apocalyptic number.

131213444444443 is a deficient number, since it is larger than the sum of its proper divisors (5593405048037).

131213444444443 is a wasteful number, since it uses less digits than its factorization.

131213444444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35626783877.

The product of its digits is 3538944, while the sum is 46.

Adding to 131213444444443 its reverse (344444444312131), we get a palindrome (475657888756574).

The spelling of 131213444444443 in words is "one hundred thirty-one trillion, two hundred thirteen billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-three".