131211104013 has 28 divisors (see below), whose sum is σ = 214610917248. Its totient is φ = 79521876360.

The previous prime is 131211103997. The next prime is 131211104027. The reversal of 131211104013 is 310401112131.

It is a happy number.

131211104013 is a `hidden beast` number, since 131 + 21 + 110 + 401 + 3 = 666.

It is not a de Polignac number, because 131211104013 - 2⁴ = 131211103997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211104083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8173245 + ... + 8189282.

It is an arithmetic number, because the mean of its divisors is an integer number (7664675616).

Almost surely, 2^131211104013 is an apocalyptic number.

It is an amenable number.

131211104013 is a deficient number, since it is larger than the sum of its proper divisors (83399813235).

131211104013 is an equidigital number, since it uses as much as digits as its factorization.

131211104013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16362556 (or 16362541 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 131211104013 its reverse (310401112131), we get a palindrome (441612216144).

The spelling of 131211104013 in words is "one hundred thirty-one billion, two hundred eleven million, one hundred four thousand, thirteen".