131404321453312 has 72 divisors (see below), whose sum is σ = 263667622032360. Its totient is φ = 65358947942400.

The previous prime is 131404321453289. The next prime is 131404321453357. The reversal of 131404321453312 is 213354123404131.

It can be written as a sum of positive squares in 4 ways, for example, as 2601433506816 + 128802887946496 = 1612896^2 + 11349136^2 .

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, 62733312 + ... + 64794112.

It is an arithmetic number, because the mean of its divisors is an integer number (3662050306005).

Almost surely, 2^{131404321453312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131404321453312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131833811016180).

131404321453312 is an abundant number, since it is smaller than the sum of its proper divisors (132263300579048).

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

131404321453312 is a wasteful number, since it uses less digits than its factorization.

131404321453312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062119 (or 2062105 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 131404321453312 its reverse (213354123404131), we get a palindrome (344758444857443).

The spelling of 131404321453312 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred twenty-one million, four hundred fifty-three thousand, three hundred twelve".