19341313 has 4 divisors (see below), whose sum is σ = 19352788. Its totient is φ = 19329840.

The previous prime is 19341293. The next prime is 19341317. The reversal of 19341313 is 31314391.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31314391 = 17 ⋅1842023.

It can be written as a sum of positive squares in 2 ways, for example, as 8105409 + 11235904 = 2847^2 + 3352^2 .

It is a cyclic number.

It is not a de Polignac number, because 19341313 - 2⁵ = 19341281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19341317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (4838197).

It is a Proth number, since it is equal to 2361 ⋅ 2¹³ + 1 and 2361 < 2¹³.

Almost surely, 2^19341313 is an apocalyptic number.

It is an amenable number.

19341313 is a deficient number, since it is larger than the sum of its proper divisors (11475).

19341313 is an equidigital number, since it uses as much as digits as its factorization.

19341313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11474.

The product of its digits is 972, while the sum is 25.

The square root of 19341313 is about 4397.8759645993. The cubic root of 19341313 is about 268.4285164001.

The spelling of 19341313 in words is "nineteen million, three hundred forty-one thousand, three hundred thirteen".