It is a congruent number.
It is an unprimeable number.
Almost surely, 2131111566320 is an apocalyptic number.
131111566320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131111566320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237547653120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131111566320 is a wasteful number, since it uses less digits than its factorization.
131111566320 is an odious number, because the sum of its binary digits is odd.
Adding to 131111566320 its reverse (23665111131), we get a palindrome (154776677451).
The spelling of 131111566320 in words is "one hundred thirty-one billion, one hundred eleven million, five hundred sixty-six thousand, three hundred twenty".