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201331030422 = 23197170330821
BaseRepresentation
bin1011101110000001000…
…0111011100110010110
3201020200002212000222110
42323200100323212112
511244311220433142
6232253514411450
720355112344114
oct2734020734626
9636602760873
10201331030422
1178425133045
1233029430b86
1315ca7000142
149a5cb9cab4
15538524399c
hex2ee043b996

201331030422 has 16 divisors (see below), whose sum is σ = 404706033072. Its totient is φ = 66769681440.

The previous prime is 201331030391. The next prime is 201331030429. The reversal of 201331030422 is 224030133102.

201331030422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201331030429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85164229 + ... + 85166592.

It is an arithmetic number, because the mean of its divisors is an integer number (25294127067).

Almost surely, 2201331030422 is an apocalyptic number.

201331030422 is an abundant number, since it is smaller than the sum of its proper divisors (203375002650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201331030422 is a wasteful number, since it uses less digits than its factorization.

201331030422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170331023.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201331030422 its reverse (224030133102), we get a palindrome (425361163524).

The spelling of 201331030422 in words is "two hundred one billion, three hundred thirty-one million, thirty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 197 394 591 1182 170330821 340661642 510992463 1021984926 33555171737 67110343474 100665515211 201331030422