org-disputed-keys

org-disputed-keys is a variable defined in `org.el'.
Its value is shown below.

Documentation:
Keys for which Org-mode and other modes compete.
This is an alist, cars are the default keys, second element specifies
the alternative to use when `org-replace-disputed-keys' is t.

Keys can be specified in any syntax supported by `define-key'.
The value of this option takes effect only at Org-mode's startup,
therefore you'll have to restart Emacs to apply it after changing.

You can customize this variable.

Value:

(([(shift up)] . [(meta p)]) ([(shift down)] . [(meta n)]) ([(shift left)] . [(meta -)]) ([(shift right)] . [(meta +)]) ([(control shift right)] . [(meta shift +)]) ([(control shift left)] . [(meta shift -)]))