313042241 has 4 divisors (see below), whose sum is σ = 313124484. Its totient is φ = 312960000.

The previous prime is 313042201. The next prime is 313042243. The reversal of 313042241 is 142240313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142240313 = 109 ⋅1304957.

It can be written as a sum of positive squares in 2 ways, for example, as 165662641 + 147379600 = 12871^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 313042241 - 2²² = 308847937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313042243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35120 + ... + 43121.

It is an arithmetic number, because the mean of its divisors is an integer number (78281121).

Almost surely, 2^313042241 is an apocalyptic number.

It is an amenable number.

313042241 is a deficient number, since it is larger than the sum of its proper divisors (82243).

313042241 is an equidigital number, since it uses as much as digits as its factorization.

313042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82242.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 313042241 is about 17692.9997739219. Note that the first 3 decimals coincide. The cubic root of 313042241 is about 678.9966756228.

Adding to 313042241 its reverse (142240313), we get a palindrome (455282554).

The spelling of 313042241 in words is "three hundred thirteen million, forty-two thousand, two hundred forty-one".