131201420232011 has 4 divisors (see below), whose sum is σ = 138919150833912. Its totient is φ = 123483689630112.

The previous prime is 131201420231983. The next prime is 131201420232019. The reversal of 131201420232011 is 110232024102131.

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 131201420232011 - 2²² = 131201416037707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131201420232019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3858865300925 + ... + 3858865300958.

It is an arithmetic number, because the mean of its divisors is an integer number (34729787708478).

Almost surely, 2^{131201420232011} is an apocalyptic number.

131201420232011 is a deficient number, since it is larger than the sum of its proper divisors (7717730601901).

131201420232011 is an equidigital number, since it uses as much as digits as its factorization.

131201420232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717730601900.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131201420232011 its reverse (110232024102131), we get a palindrome (241433444334142).

The spelling of 131201420232011 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty million, two hundred thirty-two thousand, eleven".