131211545112131 has 18 divisors (see below), whose sum is σ = 145666362920988. Its totient is φ = 118102199710000.

The previous prime is 131211545112083. The next prime is 131211545112161.

It is a happy number.

131211545112131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 131211545112131 - 2³⁴ = 131194365242947 is a prime.

It is a super-2 number, since 2×131211545112131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131211545112161) 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 17 ways as a sum of consecutive naturals, for example, 51916985 + ... + 54385626.

Almost surely, 2^{131211545112131} is an apocalyptic number.

131211545112131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131211545112131 is a deficient number, since it is larger than the sum of its proper divisors (14454817808857).

131211545112131 is a wasteful number, since it uses less digits than its factorization.

131211545112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106302835 (or 106302723 counting only the distinct ones).

The product of its digits is 3600, while the sum is 32.

The spelling of 131211545112131 in words is "one hundred thirty-one trillion, two hundred eleven billion, five hundred forty-five million, one hundred twelve thousand, one hundred thirty-one".