131020243202042 has 8 divisors (see below), whose sum is σ = 196530737713632. Its totient is φ = 65509997297500.

The previous prime is 131020243202041. The next prime is 131020243202083. The reversal of 131020243202042 is 240202342020131.

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

It is not an unprimeable number, because it can be changed into a prime (131020243202041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60828584 + ... + 62945667.

It is an arithmetic number, because the mean of its divisors is an integer number (24566342214204).

Almost surely, 2^{131020243202042} is an apocalyptic number.

131020243202042 is a deficient number, since it is larger than the sum of its proper divisors (65510494511590).

131020243202042 is a wasteful number, since it uses less digits than its factorization.

131020243202042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124303524.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 131020243202042 its reverse (240202342020131), we get a palindrome (371222585222173).

The spelling of 131020243202042 in words is "one hundred thirty-one trillion, twenty billion, two hundred forty-three million, two hundred two thousand, forty-two".