131121320301011 has 4 divisors (see below), whose sum is σ = 131121343574352. Its totient is φ = 131121297027672.

The previous prime is 131121320300989. The next prime is 131121320301047. The reversal of 131121320301011 is 110103023121131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131121320301011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131121320301091) 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, 2711210 + ... + 16419296.

It is an arithmetic number, because the mean of its divisors is an integer number (32780335893588).

Almost surely, 2^{131121320301011} is an apocalyptic number.

131121320301011 is a deficient number, since it is larger than the sum of its proper divisors (23273341).

131121320301011 is an equidigital number, since it uses as much as digits as its factorization.

131121320301011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23273340.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 131121320301011 its reverse (110103023121131), we get a palindrome (241224343422142).

The spelling of 131121320301011 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred twenty million, three hundred one thousand, eleven".