131113210420133 has 4 divisors (see below), whose sum is σ = 131113242500268. Its totient is φ = 131113178340000.

The previous prime is 131113210420117. The next prime is 131113210420169. The reversal of 131113210420133 is 331024012311131.

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 111121598864929 + 19991611555204 = 10541423^2 + 4471198^2 .

It is a cyclic number.

It is not a de Polignac number, because 131113210420133 - 2⁴ = 131113210420117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113210450133) 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, 8828816 + ... + 18443817.

It is an arithmetic number, because the mean of its divisors is an integer number (32778310625067).

Almost surely, 2^{131113210420133} is an apocalyptic number.

It is an amenable number.

131113210420133 is a deficient number, since it is larger than the sum of its proper divisors (32080135).

131113210420133 is an equidigital number, since it uses as much as digits as its factorization.

131113210420133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32080134.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 131113210420133 its reverse (331024012311131), we get a palindrome (462137222731264).

The spelling of 131113210420133 in words is "one hundred thirty-one trillion, one hundred thirteen billion, two hundred ten million, four hundred twenty thousand, one hundred thirty-three".