131333030121121 has 4 divisors (see below), whose sum is σ = 131333077354644. Its totient is φ = 131332982887600.

The previous prime is 131333030121109. The next prime is 131333030121217. The reversal of 131333030121121 is 121121030333131.

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 8812372222096 + 122520657899025 = 2968564^2 + 11068905^2 .

It is a cyclic number.

It is not a de Polignac number, because 131333030121121 - 2¹¹ = 131333030119073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131333030127121) 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, 19166470 + ... + 25100191.

It is an arithmetic number, because the mean of its divisors is an integer number (32833269338661).

Almost surely, 2^{131333030121121} is an apocalyptic number.

It is an amenable number.

131333030121121 is a deficient number, since it is larger than the sum of its proper divisors (47233523).

131333030121121 is an equidigital number, since it uses as much as digits as its factorization.

131333030121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47233522.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 131333030121121 its reverse (121121030333131), we get a palindrome (252454060454252).

The spelling of 131333030121121 in words is "one hundred thirty-one trillion, three hundred thirty-three billion, thirty million, one hundred twenty-one thousand, one hundred twenty-one".