131041028217 has 8 divisors (see below), whose sum is σ = 190605132000. Its totient is φ = 79418804960.

The previous prime is 131041028213. The next prime is 131041028303. The reversal of 131041028217 is 712820140131.

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

It is not a de Polignac number, because 131041028217 - 2² = 131041028213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131041028213) 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 7 ways as a sum of consecutive naturals, for example, 1985470092 + ... + 1985470157.

It is an arithmetic number, because the mean of its divisors is an integer number (23825641500).

Almost surely, 2^131041028217 is an apocalyptic number.

It is an amenable number.

131041028217 is a deficient number, since it is larger than the sum of its proper divisors (59564103783).

131041028217 is a wasteful number, since it uses less digits than its factorization.

131041028217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970940263.

The product of its (nonzero) digits is 2688, while the sum is 30.

Adding to 131041028217 its reverse (712820140131), we get a palindrome (843861168348).

The spelling of 131041028217 in words is "one hundred thirty-one billion, forty-one million, twenty-eight thousand, two hundred seventeen".