131201122443 has 16 divisors (see below), whose sum is σ = 178424176896. Its totient is φ = 85736984480.

The previous prime is 131201122433. The next prime is 131201122447. The reversal of 131201122443 is 344221102131.

It is a cyclic number.

It is not a de Polignac number, because 131201122443 - 2¹⁸ = 131200860299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131201122447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743405 + ... + 1817102.

It is an arithmetic number, because the mean of its divisors is an integer number (11151511056).

Almost surely, 2^131201122443 is an apocalyptic number.

131201122443 is a deficient number, since it is larger than the sum of its proper divisors (47223054453).

131201122443 is a wasteful number, since it uses less digits than its factorization.

131201122443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560754.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131201122443 its reverse (344221102131), we get a palindrome (475422224574).

The spelling of 131201122443 in words is "one hundred thirty-one billion, two hundred one million, one hundred twenty-two thousand, four hundred forty-three".