131013132243020 has 24 divisors (see below), whose sum is σ = 275127799416624. Its totient is φ = 52405210667456.

The previous prime is 131013132242987. The next prime is 131013132243031. The reversal of 131013132243020 is 20342231310131.

It is a happy number.

131013132243020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 38252339 + ... + 41536341.

It is an arithmetic number, because the mean of its divisors is an integer number (11463658309026).

Almost surely, 2^{131013132243020} is an apocalyptic number.

131013132243020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131013132243020 is an abundant number, since it is smaller than the sum of its proper divisors (144114667173604).

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

131013132243020 is a wasteful number, since it uses less digits than its factorization.

131013132243020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278729 (or 5278727 counting only the distinct ones).

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

Adding to 131013132243020 its reverse (20342231310131), we get a palindrome (151355363553151).

The spelling of 131013132243020 in words is "one hundred thirty-one trillion, thirteen billion, one hundred thirty-two million, two hundred forty-three thousand, twenty".