131342231040101 has 4 divisors (see below), whose sum is σ = 131342409113772. Its totient is φ = 131342052966432.

The previous prime is 131342231040023. The next prime is 131342231040113. The reversal of 131342231040101 is 101040132243131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 130333070155201 + 1009160884900 = 11416351^2 + 1004570^2 .

It is a cyclic number.

It is not a de Polignac number, because 131342231040101 - 2¹⁰ = 131342231039077 is a prime.

It is a super-2 number, since 2×131342231040101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131342231040301) 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, 87925856 + ... + 89407161.

It is an arithmetic number, because the mean of its divisors is an integer number (32835602278443).

Almost surely, 2^{131342231040101} is an apocalyptic number.

It is an amenable number.

131342231040101 is a deficient number, since it is larger than the sum of its proper divisors (178073671).

131342231040101 is an equidigital number, since it uses as much as digits as its factorization.

131342231040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178073670.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131342231040101 its reverse (101040132243131), we get a palindrome (232382363283232).

The spelling of 131342231040101 in words is "one hundred thirty-one trillion, three hundred forty-two billion, two hundred thirty-one million, forty thousand, one hundred one".