131232112013000 has 128 divisors (see below), whose sum is σ = 312206714426880. Its totient is φ = 51619736678400.

The previous prime is 131232112012957. The next prime is 131232112013047. The reversal of 131232112013000 is 310211232131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36961697 + ... + 40356303.

It is an arithmetic number, because the mean of its divisors is an integer number (2439114956460).

Almost surely, 2^{131232112013000} is an apocalyptic number.

131232112013000 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 131232112013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156103357213440).

131232112013000 is an abundant number, since it is smaller than the sum of its proper divisors (180974602413880).

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

131232112013000 is a wasteful number, since it uses less digits than its factorization.

131232112013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395272 (or 3395258 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131232112013000 its reverse (310211232131), we get a palindrome (131542323245131).

The spelling of 131232112013000 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, one hundred twelve million, thirteen thousand".