131150241197 has 4 divisors (see below), whose sum is σ = 131616968316. Its totient is φ = 130683514080.

The previous prime is 131150241179. The next prime is 131150241203. The reversal of 131150241197 is 791142051131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791142051131 = 313 ⋅2527610387.

It can be written as a sum of positive squares in 2 ways, for example, as 45121831561 + 86028409636 = 212419^2 + 293306^2 .

It is a cyclic number.

It is not a de Polignac number, because 131150241197 - 2¹⁶ = 131150175661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131150241127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233363138 + ... + 233363699.

It is an arithmetic number, because the mean of its divisors is an integer number (32904242079).

Almost surely, 2^131150241197 is an apocalyptic number.

It is an amenable number.

131150241197 is a deficient number, since it is larger than the sum of its proper divisors (466727119).

131150241197 is an equidigital number, since it uses as much as digits as its factorization.

131150241197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466727118.

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 131150241197 in words is "one hundred thirty-one billion, one hundred fifty million, two hundred forty-one thousand, one hundred ninety-seven".