113131012330181 has 2 divisors, whose sum is σ = 113131012330182. Its totient is φ = 113131012330180.

The previous prime is 113131012330159. The next prime is 113131012330187. The reversal of 113131012330181 is 181033210131311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111674486788225 + 1456525541956 = 10567615^2 + 1206866^2 .

It is a cyclic number.

It is not a de Polignac number, because 113131012330181 - 2⁴⁶ = 42762268152517 is a prime.

It is a super-2 number, since 2×113131012330181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113131012330187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565506165090 + 56565506165091.

It is an arithmetic number, because the mean of its divisors is an integer number (56565506165091).

Almost surely, 2^{113131012330181} is an apocalyptic number.

It is an amenable number.

113131012330181 is a deficient number, since it is larger than the sum of its proper divisors (1).

113131012330181 is an equidigital number, since it uses as much as digits as its factorization.

113131012330181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

Adding to 113131012330181 its reverse (181033210131311), we get a palindrome (294164222461492).

The spelling of 113131012330181 in words is "one hundred thirteen trillion, one hundred thirty-one billion, twelve million, three hundred thirty thousand, one hundred eighty-one".