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131323210022 = 29717923915823
BaseRepresentation
bin111101001001101111…
…0010010100100100110
3110112222010210021112102
41322103132102210212
54122422220210042
6140155024052102
712326211603344
oct1722336224446
9415863707472
10131323210022
115076a58a434
122154ba64032
13c4cb078044
1464db10c994
1536390dab32
hex1e93792926

131323210022 has 32 divisors (see below), whose sum is σ = 200977459200. Its totient is φ = 64347187968.

The previous prime is 131323210001. The next prime is 131323210079. The reversal of 131323210022 is 220012323131.

It is a junction number, because it is equal to n+sod(n) for n = 131323209976 and 131323210003.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8291603 + ... + 8307425.

It is an arithmetic number, because the mean of its divisors is an integer number (6280545600).

Almost surely, 2131323210022 is an apocalyptic number.

131323210022 is a deficient number, since it is larger than the sum of its proper divisors (69654249178).

131323210022 is a wasteful number, since it uses less digits than its factorization.

131323210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16340.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131323210022 its reverse (220012323131), we get a palindrome (351335533153).

The spelling of 131323210022 in words is "one hundred thirty-one billion, three hundred twenty-three million, two hundred ten thousand, twenty-two".

Divisors: 1 2 97 179 194 239 358 478 15823 17363 23183 31646 34726 42781 46366 85562 1534831 2832317 3069662 3781697 4149757 5664634 7563394 8299514 274734749 366824609 549469498 676923763 733649218 1353847526 65661605011 131323210022