313260193 has 4 divisors (see below), whose sum is σ = 318395668. Its totient is φ = 308124720.

The previous prime is 313260191. The next prime is 313260197. The reversal of 313260193 is 391062313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391062313 = 19 ⋅20582227.

It can be written as a sum of positive squares in 2 ways, for example, as 166074769 + 147185424 = 12887^2 + 12132^2 .

It is a cyclic number.

It is not a de Polignac number, because 313260193 - 2¹ = 313260191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313260191) 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, 2567646 + ... + 2567767.

It is an arithmetic number, because the mean of its divisors is an integer number (79598917).

Almost surely, 2^313260193 is an apocalyptic number.

It is an amenable number.

313260193 is a deficient number, since it is larger than the sum of its proper divisors (5135475).

313260193 is an equidigital number, since it uses as much as digits as its factorization.

313260193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135474.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 313260193 is about 17699.1579743218. The cubic root of 313260193 is about 679.1542202310.

The spelling of 313260193 in words is "three hundred thirteen million, two hundred sixty thousand, one hundred ninety-three".