131303110110121 has 4 divisors (see below), whose sum is σ = 131304146952132. Its totient is φ = 131302073268112.

The previous prime is 131303110110071. The next prime is 131303110110163. The reversal of 131303110110121 is 121011011303131.

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 73067209860096 + 58235900250025 = 8547936^2 + 7631245^2 .

It is a cyclic number.

It is not a de Polignac number, because 131303110110121 - 2³⁵ = 131268750371753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303110110421) 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, 518231026 + ... + 518484331.

It is an arithmetic number, because the mean of its divisors is an integer number (32826036738033).

Almost surely, 2^{131303110110121} is an apocalyptic number.

It is an amenable number.

131303110110121 is a deficient number, since it is larger than the sum of its proper divisors (1036842011).

131303110110121 is a wasteful number, since it uses less digits than its factorization.

131303110110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036842010.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 131303110110121 its reverse (121011011303131), we get a palindrome (252314121413252).

The spelling of 131303110110121 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred ten million, one hundred ten thousand, one hundred twenty-one".