131141111213021 has 24 divisors (see below), whose sum is σ = 164287646702424. Its totient is φ = 103759381192320.

The previous prime is 131141111213009. The next prime is 131141111213071. The reversal of 131141111213021 is 120312111141131.

It can be written as a sum of positive squares in 4 ways, for example, as 9485968804900 + 121655142408121 = 3079930^2 + 11029739^2 .

It is not a de Polignac number, because 131141111213021 - 2¹⁴ = 131141111196637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141111213071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127103411 + ... + 128131023.

It is an arithmetic number, because the mean of its divisors is an integer number (6845318612601).

Almost surely, 2^{131141111213021} is an apocalyptic number.

It is an amenable number.

131141111213021 is a deficient number, since it is larger than the sum of its proper divisors (33146535489403).

131141111213021 is a wasteful number, since it uses less digits than its factorization.

131141111213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227981 (or 1227974 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 131141111213021 its reverse (120312111141131), we get a palindrome (251453222354152).

The spelling of 131141111213021 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred eleven million, two hundred thirteen thousand, twenty-one".