131303122020011 has 4 divisors (see below), whose sum is σ = 135830815882800. Its totient is φ = 126775428157224.

The previous prime is 131303122020001. The next prime is 131303122020043. The reversal of 131303122020011 is 110020221303131.

It is a happy number.

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 131303122020011 - 2³⁴ = 131285942150827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303122020001) 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, 2263846931351 + ... + 2263846931408.

It is an arithmetic number, because the mean of its divisors is an integer number (33957703970700).

Almost surely, 2^{131303122020011} is an apocalyptic number.

131303122020011 is a deficient number, since it is larger than the sum of its proper divisors (4527693862789).

131303122020011 is an equidigital number, since it uses as much as digits as its factorization.

131303122020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527693862788.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131303122020011 its reverse (110020221303131), we get a palindrome (241323343323142).

The spelling of 131303122020011 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twenty-two million, twenty thousand, eleven".