131320021332320 has 48 divisors (see below), whose sum is σ = 310744751844240. Its totient is φ = 52443149028864.

The previous prime is 131320021332277. The next prime is 131320021332359. The reversal of 131320021332320 is 23233120023131.

It is a self number, because there is not a number n which added to its sum of digits gives 131320021332320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662865527 + ... + 663063606.

It is an arithmetic number, because the mean of its divisors is an integer number (6473848996755).

Almost surely, 2^{131320021332320} is an apocalyptic number.

131320021332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131320021332320 is an abundant number, since it is smaller than the sum of its proper divisors (179424730511920).

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

131320021332320 is a wasteful number, since it uses less digits than its factorization.

131320021332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325929767 (or 1325929759 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 131320021332320 its reverse (23233120023131), we get a palindrome (154553141355451).

The spelling of 131320021332320 in words is "one hundred thirty-one trillion, three hundred twenty billion, twenty-one million, three hundred thirty-two thousand, three hundred twenty".