130232191 has 4 divisors (see below), whose sum is σ = 130396392. Its totient is φ = 130067992.

The previous prime is 130232173. The next prime is 130232227. The reversal of 130232191 is 191232031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191232031 = 17 ⋅11248943.

It is a cyclic number.

It is not a de Polignac number, because 130232191 - 2²¹ = 128135039 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 (130236191) 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 3 ways as a sum of consecutive naturals, for example, 80905 + ... + 82498.

It is an arithmetic number, because the mean of its divisors is an integer number (32599098).

Almost surely, 2^130232191 is an apocalyptic number.

130232191 is a deficient number, since it is larger than the sum of its proper divisors (164201).

130232191 is an equidigital number, since it uses as much as digits as its factorization.

130232191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164200.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 130232191 is about 11411.9319573857. The cubic root of 130232191 is about 506.8811205988.

The spelling of 130232191 in words is "one hundred thirty million, two hundred thirty-two thousand, one hundred ninety-one".