Search a number
-
+
331211002203211 = 13688315733235273
BaseRepresentation
bin100101101001111000001001…
…0001000011100110001001011
31121102201110111012221021210111
41023103300102020130301023
5321403030113031000321
63132232122303255151
7126523130253102454
oct11323602210346113
91542643435837714
10331211002203211
11965968850aa799
1231192ab25aa4b7
13112a70a9648180
145bb09ab5d212b
15284585919a5e1
hex12d3c1221cc4b

331211002203211 has 16 divisors (see below), whose sum is σ = 356764784355616. Its totient is φ = 305668085204736.

The previous prime is 331211002203143. The next prime is 331211002203247. The reversal of 331211002203211 is 112302200112133.

It is a cyclic number.

It is not a de Polignac number, because 331211002203211 - 245 = 296026630114379 is a prime.

It is a super-2 number, since 2×3312110022032112 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331211002203311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1407655471 + ... + 1407890743.

It is an arithmetic number, because the mean of its divisors is an integer number (22297799022226).

Almost surely, 2331211002203211 is an apocalyptic number.

331211002203211 is a deficient number, since it is larger than the sum of its proper divisors (25553782152405).

331211002203211 is a wasteful number, since it uses less digits than its factorization.

331211002203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257902.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 331211002203211 its reverse (112302200112133), we get a palindrome (443513202315344).

The spelling of 331211002203211 in words is "three hundred thirty-one trillion, two hundred eleven billion, two million, two hundred three thousand, two hundred eleven".

Divisors: 1 13 6883 15733 89479 204529 235273 3058549 108290239 1407773107 1619384059 3701550109 21051992767 48120151417 25477769400247 331211002203211