131321012013120 has 224 divisors, whose sum is σ = 419158572318720. Its totient is φ = 34833424168960.

The previous prime is 131321012013089. The next prime is 131321012013137. The reversal of 131321012013120 is 21310210123131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142551109 + ... + 143469371.

Almost surely, 2^{131321012013120} is an apocalyptic number.

131321012013120 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 131321012013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209579286159360).

131321012013120 is an abundant number, since it is smaller than the sum of its proper divisors (287837560305600).

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

131321012013120 is a wasteful number, since it uses less digits than its factorization.

131321012013120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919073 (or 919063 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 131321012013120 its reverse (21310210123131), we get a palindrome (152631222136251).

The spelling of 131321012013120 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, twelve million, thirteen thousand, one hundred twenty".