131403312020011 has 4 divisors (see below), whose sum is σ = 131406294503800. Its totient is φ = 131400329536224.

The previous prime is 131403312020009. The next prime is 131403312020093. The reversal of 131403312020011 is 110020213304131.

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 131403312020011 - 2¹ = 131403312020009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131403312021011) 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, 1491175806 + ... + 1491263923.

It is an arithmetic number, because the mean of its divisors is an integer number (32851573625950).

Almost surely, 2^{131403312020011} is an apocalyptic number.

131403312020011 is a deficient number, since it is larger than the sum of its proper divisors (2982483789).

131403312020011 is an equidigital number, since it uses as much as digits as its factorization.

131403312020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982483788.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131403312020011 its reverse (110020213304131), we get a palindrome (241423525324142).

The spelling of 131403312020011 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred twelve million, twenty thousand, eleven".