131423343310020 has 48 divisors (see below), whose sum is σ = 379855856798208. Its totient is φ = 33915701498880.

The previous prime is 131423343310019. The next prime is 131423343310027. The reversal of 131423343310020 is 20013343324131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 131423343310020.

It is not an unprimeable number, because it can be changed into a prime (131423343310027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35328853869 + ... + 35328857588.

It is an arithmetic number, because the mean of its divisors is an integer number (7913663683296).

Almost surely, 2^{131423343310020} is an apocalyptic number.

131423343310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423343310020 is an abundant number, since it is smaller than the sum of its proper divisors (248432513488188).

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

131423343310020 is a wasteful number, since it uses less digits than its factorization.

131423343310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70657711500 (or 70657711498 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 131423343310020 its reverse (20013343324131), we get a palindrome (151436686634151).

The spelling of 131423343310020 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, three hundred forty-three million, three hundred ten thousand, twenty".