Search a number
-
+
131303110110113 = 636720622445439
BaseRepresentation
bin11101110110101101100011…
…001111000110101110100001
3122012220110021111120201000102
4131312231203033012232201
5114202232232142010423
61143131452134032145
736441223320656444
oct3566554317065641
9565813244521012
10131303110110113
1138923377657157
1212887509aa8655
135835aa3b07366
14245d16681365b
15102a766562c28
hex776b633c6ba1

131303110110113 has 4 divisors (see below), whose sum is σ = 131323732561920. Its totient is φ = 131282487658308.

The previous prime is 131303110110071. The next prime is 131303110110163. The reversal of 131303110110113 is 311011011303131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131303110110113 - 218 = 131303109847969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303110110163) 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, 10311216353 + ... + 10311229086.

It is an arithmetic number, because the mean of its divisors is an integer number (32830933140480).

Almost surely, 2131303110110113 is an apocalyptic number.

It is an amenable number.

131303110110113 is a deficient number, since it is larger than the sum of its proper divisors (20622451807).

131303110110113 is an equidigital number, since it uses as much as digits as its factorization.

131303110110113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20622451806.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 131303110110113 its reverse (311011011303131), we get a palindrome (442314121413244).

The spelling of 131303110110113 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred ten million, one hundred ten thousand, one hundred thirteen".

Divisors: 1 6367 20622445439 131303110110113