131021301242 has 16 divisors (see below), whose sum is σ = 211707603072. Its totient is φ = 60454853040.

The previous prime is 131021301241. The next prime is 131021301253. The reversal of 131021301242 is 242103120131.

131021301242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131021301241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590918 + ... + 781809.

It is an arithmetic number, because the mean of its divisors is an integer number (13231725192).

Almost surely, 2^131021301242 is an apocalyptic number.

131021301242 is a deficient number, since it is larger than the sum of its proper divisors (80686301830).

131021301242 is a wasteful number, since it uses less digits than its factorization.

131021301242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376413.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131021301242 its reverse (242103120131), we get a palindrome (373124421373).

The spelling of 131021301242 in words is "one hundred thirty-one billion, twenty-one million, three hundred one thousand, two hundred forty-two".