Search a number
-
+
331211301233013 = 32177329654517077
BaseRepresentation
bin100101101001111000010001…
…1111101001010000101110101
31121102201111021001121120120100
41023103300203331022011311
5321403031221103424023
63132232212104424313
7126523140543601455
oct11323604375120565
91542644231546510
10331211301233013
1196596a18981263
1231192b76778099
13112a7126596496
145bb09d91d1d65
152845875566c43
hex12d3c23f4a175

331211301233013 has 24 divisors (see below), whose sum is σ = 513497617722648. Its totient is φ = 204972022029312.

The previous prime is 331211301233009. The next prime is 331211301233039. The reversal of 331211301233013 is 310332103112133.

331211301233013 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 11 + 301 + 2 + 330 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18105424972209 + 313105876260804 = 4255047^2 + 17694798^2 .

It is not a de Polignac number, because 331211301233013 - 22 = 331211301233009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331211301433013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14827247370 + ... + 14827269707.

It is an arithmetic number, because the mean of its divisors is an integer number (21395734071777).

Almost surely, 2331211301233013 is an apocalyptic number.

It is an amenable number.

331211301233013 is a deficient number, since it is larger than the sum of its proper divisors (182286316489635).

331211301233013 is a wasteful number, since it uses less digits than its factorization.

331211301233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29654517173 (or 29654517170 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 331211301233013 its reverse (310332103112133), we get a palindrome (641543404345146).

The spelling of 331211301233013 in words is "three hundred thirty-one trillion, two hundred eleven billion, three hundred one million, two hundred thirty-three thousand, thirteen".

Divisors: 1 3 9 17 51 73 153 219 657 1241 3723 11169 29654517077 88963551231 266890653693 504126790309 1512380370927 2164779746621 4537141112781 6494339239863 19483017719589 36801255692557 110403767077671 331211301233013