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30131121012201 = 3211304354757699
BaseRepresentation
bin1101101100111011100101…
…10000111011110111101001
310221200111200122000022202100
412312131302300323313221
512422132013434342301
6144030013525324013
76226621160532546
oct666356260736751
9127614618008670
1030131121012201
11966759a327250
123467743566609
1313a74776407c1
147624d56a3bcd
15373ba6274286
hex1b6772c3bde9

30131121012201 has 12 divisors (see below), whose sum is σ = 47479342201200. Its totient is φ = 18261285461880.

The previous prime is 30131121012193. The next prime is 30131121012229. The reversal of 30131121012201 is 10221012113103.

30131121012201 is a `hidden beast` number, since 30 + 1 + 311 + 2 + 101 + 220 + 1 = 666.

It is not a de Polignac number, because 30131121012201 - 23 = 30131121012193 is a prime.

It is a super-2 number, since 2×301311210122012 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30131121012281) 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, 152177378751 + ... + 152177378948.

It is an arithmetic number, because the mean of its divisors is an integer number (3956611850100).

Almost surely, 230131121012201 is an apocalyptic number.

It is an amenable number.

30131121012201 is a deficient number, since it is larger than the sum of its proper divisors (17348221188999).

30131121012201 is a wasteful number, since it uses less digits than its factorization.

30131121012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304354757716 (or 304354757713 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 30131121012201 its reverse (10221012113103), we get a palindrome (40352133125304).

The spelling of 30131121012201 in words is "thirty trillion, one hundred thirty-one billion, one hundred twenty-one million, twelve thousand, two hundred one".

Divisors: 1 3 9 11 33 99 304354757699 913064273097 2739192819291 3347902334689 10043707004067 30131121012201