1313004191 has 4 divisors (see below), whose sum is σ = 1313867832. Its totient is φ = 1312140552.

The previous prime is 1313004179. The next prime is 1313004221. The reversal of 1313004191 is 1914003131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1914003131 = 257 ⋅7447483.

It is a cyclic number.

It is not a de Polignac number, because 1313004191 - 2¹⁴ = 1312987807 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 (1313003191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429536 + ... + 432581.

It is an arithmetic number, because the mean of its divisors is an integer number (328466958).

Almost surely, 2^1313004191 is an apocalyptic number.

1313004191 is a deficient number, since it is larger than the sum of its proper divisors (863641).

1313004191 is an equidigital number, since it uses as much as digits as its factorization.

1313004191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863640.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1313004191 is about 36235.3996942217. The cubic root of 1313004191 is about 1095.0199647465.

The spelling of 1313004191 in words is "one billion, three hundred thirteen million, four thousand, one hundred ninety-one".