131424213131111 has 4 divisors (see below), whose sum is σ = 131481428724672. Its totient is φ = 131366997537552.

The previous prime is 131424213131087. The next prime is 131424213131131. The reversal of 131424213131111 is 111131312424131.

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 131424213131111 - 2¹⁰ = 131424213130087 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 (131424213131131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28607793335 + ... + 28607797928.

It is an arithmetic number, because the mean of its divisors is an integer number (32870357181168).

Almost surely, 2^{131424213131111} is an apocalyptic number.

131424213131111 is a deficient number, since it is larger than the sum of its proper divisors (57215593561).

131424213131111 is an equidigital number, since it uses as much as digits as its factorization.

131424213131111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57215593560.

The product of its digits is 1728, while the sum is 29.

Adding to 131424213131111 its reverse (111131312424131), we get a palindrome (242555525555242).

The spelling of 131424213131111 in words is "one hundred thirty-one trillion, four hundred twenty-four billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred eleven".