131201020032 has 64 divisors (see below), whose sum is σ = 355078287360. Its totient is φ = 42908503040.

The previous prime is 131201020019. The next prime is 131201020063. The reversal of 131201020032 is 230020102131.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 131201019993 and 131201020020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3202944 + ... + 3243647.

It is an arithmetic number, because the mean of its divisors is an integer number (5548098240).

Almost surely, 2^131201020032 is an apocalyptic number.

131201020032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131201020032 is an abundant number, since it is smaller than the sum of its proper divisors (223877267328).

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

131201020032 is an equidigital number, since it uses as much as digits as its factorization.

131201020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446661 (or 6446649 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 131201020032 its reverse (230020102131), we get a palindrome (361221122163).

The spelling of 131201020032 in words is "one hundred thirty-one billion, two hundred one million, twenty thousand, thirty-two".