131201142111223 has 4 divisors (see below), whose sum is σ = 131289374219040. Its totient is φ = 131112910003408.

The previous prime is 131201142111181. The next prime is 131201142111241. The reversal of 131201142111223 is 322111241102131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131201142111223 - 2¹⁷ = 131201141980151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201142111283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44116051678 + ... + 44116054651.

It is an arithmetic number, because the mean of its divisors is an integer number (32822343554760).

Almost surely, 2^{131201142111223} is an apocalyptic number.

131201142111223 is a deficient number, since it is larger than the sum of its proper divisors (88232107817).

131201142111223 is an equidigital number, since it uses as much as digits as its factorization.

131201142111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88232107816.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 131201142111223 its reverse (322111241102131), we get a palindrome (453312383213354).

The spelling of 131201142111223 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred forty-two million, one hundred eleven thousand, two hundred twenty-three".