130987743217 has 4 divisors (see below), whose sum is σ = 131200041636. Its totient is φ = 130775444800.

The previous prime is 130987743191. The next prime is 130987743251. The reversal of 130987743217 is 712347789031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12810617856 + 118177125361 = 113184^2 + 343769^2 .

It is a cyclic number.

It is not a de Polignac number, because 130987743217 - 2¹⁵ = 130987710449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130987743277) 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, 106148284 + ... + 106149517.

It is an arithmetic number, because the mean of its divisors is an integer number (32800010409).

Almost surely, 2^130987743217 is an apocalyptic number.

It is an amenable number.

130987743217 is a deficient number, since it is larger than the sum of its proper divisors (212298419).

130987743217 is an equidigital number, since it uses as much as digits as its factorization.

130987743217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212298418.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 130987743217 in words is "one hundred thirty billion, nine hundred eighty-seven million, seven hundred forty-three thousand, two hundred seventeen".