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331211232200201 = 24122214153148997
BaseRepresentation
bin100101101001111000001111…
…1110101110100011000001001
31121102201111002020201100100112
41023103300133311310120021
5321403031100420401301
63132232201201044105
7126523136045043563
oct11323603765643011
91542644066640315
10331211232200201
1196596992a10951
1231192b57626635
13112a71151a5c72
145bb09cdd82333
15284586e47c9bb
hex12d3c1fd74609

331211232200201 has 16 divisors (see below), whose sum is σ = 332817651493008. Its totient is φ = 329606805657600.

The previous prime is 331211232200141. The next prime is 331211232200269. The reversal of 331211232200201 is 102002232112133.

It can be written as a sum of positive squares in 8 ways, for example, as 24505222575625 + 306706009624576 = 4950275^2 + 17513024^2 .

It is a cyclic number.

It is not a de Polignac number, because 331211232200201 - 26 = 331211232200137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331211232220201) 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, 2222864435 + ... + 2223013431.

It is an arithmetic number, because the mean of its divisors is an integer number (20801103218313).

Almost surely, 2331211232200201 is an apocalyptic number.

It is an amenable number.

331211232200201 is a deficient number, since it is larger than the sum of its proper divisors (1606419292807).

331211232200201 is a wasteful number, since it uses less digits than its factorization.

331211232200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155612.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 331211232200201 its reverse (102002232112133), we get a palindrome (433213464312334).

The spelling of 331211232200201 in words is "three hundred thirty-one trillion, two hundred eleven billion, two hundred thirty-two million, two hundred thousand, two hundred one".

Divisors: 1 241 2221 4153 148997 535261 1000873 9223813 35908277 330922337 618784541 2222938933 79752283217 149127074381 1374320465561 331211232200201