131001101213242 has 8 divisors (see below), whose sum is σ = 211617163498356. Its totient is φ = 60462046713792.

The previous prime is 131001101213237. The next prime is 131001101213261. The reversal of 131001101213242 is 242312101100131.

It can be written as a sum of positive squares in 2 ways, for example, as 127605738505441 + 3395362707801 = 11296271^2 + 1842651^2 .

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

It is a super-2 number, since 2×131001101213242² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519251946383 + ... + 2519251946434.

Almost surely, 2^{131001101213242} is an apocalyptic number.

131001101213242 is a deficient number, since it is larger than the sum of its proper divisors (80616062285114).

131001101213242 is a wasteful number, since it uses less digits than its factorization.

131001101213242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038503892832.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 131001101213242 its reverse (242312101100131), we get a palindrome (373313202313373).

The spelling of 131001101213242 in words is "one hundred thirty-one trillion, one billion, one hundred one million, two hundred thirteen thousand, two hundred forty-two".