131301320243120 has 20 divisors (see below), whose sum is σ = 305275569565440. Its totient is φ = 52520528097216.

The previous prime is 131301320243087. The next prime is 131301320243213. The reversal of 131301320243120 is 21342023103131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 131301320243120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820633251440 + ... + 820633251599.

It is an arithmetic number, because the mean of its divisors is an integer number (15263778478272).

Almost surely, 2^{131301320243120} is an apocalyptic number.

131301320243120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131301320243120 is an abundant number, since it is smaller than the sum of its proper divisors (173974249322320).

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

131301320243120 is a wasteful number, since it uses less digits than its factorization.

131301320243120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641266503052 (or 1641266503046 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131301320243120 its reverse (21342023103131), we get a palindrome (152643343346251).

The spelling of 131301320243120 in words is "one hundred thirty-one trillion, three hundred one billion, three hundred twenty million, two hundred forty-three thousand, one hundred twenty".