Search a number
-
+
131110031312343 = 3217856928309231
BaseRepresentation
bin11101110011111001101110…
…110101111100010111010111
3122012012222220111202112002100
4131303321232311330113113
5114141101321003443333
61142503041125213143
736421246541163546
oct3563715665742727
9565188814675070
10131110031312343
11388594a770a6a6
12128560042611b3
135820813692025
142453a8ba1a15d
151025715a40213
hex773e6ed7c5d7

131110031312343 has 12 divisors (see below), whose sum is σ = 200521224360288. Its totient is φ = 82265117686080.

The previous prime is 131110031312339. The next prime is 131110031312539. The reversal of 131110031312343 is 343213130011131.

131110031312343 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 1 + 0 + 0 + 3 + 1 + 312 + 343 = 666.

It is not a de Polignac number, because 131110031312343 - 22 = 131110031312339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131110031312543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428464154463 + ... + 428464154768.

It is an arithmetic number, because the mean of its divisors is an integer number (16710102030024).

Almost surely, 2131110031312343 is an apocalyptic number.

131110031312343 is a deficient number, since it is larger than the sum of its proper divisors (69411193047945).

131110031312343 is a wasteful number, since it uses less digits than its factorization.

131110031312343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856928309254 (or 856928309251 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 131110031312343 its reverse (343213130011131), we get a palindrome (474323161323474).

The spelling of 131110031312343 in words is "one hundred thirty-one trillion, one hundred ten billion, thirty-one million, three hundred twelve thousand, three hundred forty-three".

Divisors: 1 3 9 17 51 153 856928309231 2570784927693 7712354783079 14567781256927 43703343770781 131110031312343