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13031213243322 = 2323314087661697
BaseRepresentation
bin1011110110100001000011…
…0101100001101110111010
31201010202211122201120121110
42331220100311201232322
53202000411042241242
643414242352421150
72513321416653651
oct275502065415672
951122748646543
1013031213243322
11417456317545a
121565652b477b6
13736ab8500871
143309dd64a198
15178e89a6539c
hexbda10d61bba

13031213243322 has 32 divisors (see below), whose sum is σ = 26176179998592. Its totient is φ = 4324781533184.

The previous prime is 13031213243261. The next prime is 13031213243329. The reversal of 13031213243322 is 22334231213031.

It is a self number, because there is not a number n which added to its sum of digits gives 13031213243322.

It is not an unprimeable number, because it can be changed into a prime (13031213243329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19362778 + ... + 20024474.

It is an arithmetic number, because the mean of its divisors is an integer number (818005624956).

Almost surely, 213031213243322 is an apocalyptic number.

13031213243322 is an abundant number, since it is smaller than the sum of its proper divisors (13144966755270).

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

13031213243322 is a wasteful number, since it uses less digits than its factorization.

13031213243322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676022.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 13031213243322 its reverse (22334231213031), we get a palindrome (35365444456353).

The spelling of 13031213243322 in words is "thirteen trillion, thirty-one billion, two hundred thirteen million, two hundred forty-three thousand, three hundred twenty-two".

Divisors: 1 2 3 6 233 466 699 1398 14087 28174 42261 84522 661697 1323394 1985091 3282271 3970182 6564542 9846813 19693626 154175401 308350802 462526203 925052406 9321325639 18642651278 27963976917 55927953834 2171868873887 4343737747774 6515606621661 13031213243322