131132120442 has 8 divisors (see below), whose sum is σ = 262264240896. Its totient is φ = 43710706812.

The previous prime is 131132120429. The next prime is 131132120447. The reversal of 131132120442 is 244021231131.

It is a sphenic number, since it is the product of 3 distinct primes.

131132120442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (131132120447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10927676698 + ... + 10927676709.

It is an arithmetic number, because the mean of its divisors is an integer number (32783030112).

Almost surely, 2^131132120442 is an apocalyptic number.

131132120442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131132120442 is a wasteful number, since it uses less digits than its factorization.

131132120442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21855353412.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131132120442 its reverse (244021231131), we get a palindrome (375153351573).

The spelling of 131132120442 in words is "one hundred thirty-one billion, one hundred thirty-two million, one hundred twenty thousand, four hundred forty-two".