131211301111443 has 96 divisors (see below), whose sum is σ = 224012369318400. Its totient is φ = 72455911976448.

The previous prime is 131211301111421. The next prime is 131211301111459. The reversal of 131211301111443 is 344111103112131.

131211301111443 is a `hidden beast` number, since 1 + 3 + 1 + 211 + 3 + 0 + 1 + 1 + 1 + 1 + 443 = 666.

It is not a de Polignac number, because 131211301111443 - 2⁶ = 131211301111379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131211301111243) 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, 1963943023 + ... + 1964009831.

It is an arithmetic number, because the mean of its divisors is an integer number (2333462180400).

Almost surely, 2^{131211301111443} is an apocalyptic number.

131211301111443 is a deficient number, since it is larger than the sum of its proper divisors (92801068206957).

131211301111443 is a wasteful number, since it uses less digits than its factorization.

131211301111443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75721 (or 75718 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 131211301111443 its reverse (344111103112131), we get a palindrome (475322404223574).

The spelling of 131211301111443 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred one million, one hundred eleven thousand, four hundred forty-three".