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13213031322 = 234746854721
BaseRepresentation
bin11000100111000111…
…01101101110011010
31021002211122112111110
430103203231232122
5204030014000242
610023041041150
7645300625131
oct142343555632
937084575443
1013213031322
115670458aa7
1226890261b6
13132756c53a
148d4b80918
15524ed239c
hex3138edb9a

13213031322 has 16 divisors (see below), whose sum is σ = 26988319872. Its totient is φ = 4310634240.

The previous prime is 13213031311. The next prime is 13213031323. The reversal of 13213031322 is 22313031231.

It is not an unprimeable number, because it can be changed into a prime (13213031323) 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, 23427079 + ... + 23427642.

It is an arithmetic number, because the mean of its divisors is an integer number (1686769992).

Almost surely, 213213031322 is an apocalyptic number.

13213031322 is an abundant number, since it is smaller than the sum of its proper divisors (13775288550).

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

13213031322 is a wasteful number, since it uses less digits than its factorization.

13213031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46854773.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13213031322 its reverse (22313031231), we get a palindrome (35526062553).

Subtracting 13213031322 from its reverse (22313031231), we obtain a palindrome (9099999909).

The spelling of 13213031322 in words is "thirteen billion, two hundred thirteen million, thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 47 94 141 282 46854721 93709442 140564163 281128326 2202171887 4404343774 6606515661 13213031322