131142333401020 has 24 divisors (see below), whose sum is σ = 275399403660864. Its totient is φ = 52456837452096.

The previous prime is 131142333400961. The next prime is 131142333401059. The reversal of 131142333401020 is 20104333241131.

It is a self number, because there is not a number n which added to its sum of digits gives 131142333401020.

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, 5782509 + ... + 17196571.

It is an arithmetic number, because the mean of its divisors is an integer number (11474975152536).

Almost surely, 2^{131142333401020} is an apocalyptic number.

131142333401020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131142333401020 is an abundant number, since it is smaller than the sum of its proper divisors (144257070259844).

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

131142333401020 is a wasteful number, since it uses less digits than its factorization.

131142333401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988549 (or 11988547 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131142333401020 its reverse (20104333241131), we get a palindrome (151246666642151).

The spelling of 131142333401020 in words is "one hundred thirty-one trillion, one hundred forty-two billion, three hundred thirty-three million, four hundred one thousand, twenty".