313220241 has 12 divisors (see below), whose sum is σ = 452985780. Its totient is φ = 208556640.

The previous prime is 313220239. The next prime is 313220261. The reversal of 313220241 is 142022313.

It can be written as a sum of positive squares in 2 ways, for example, as 72846225 + 240374016 = 8535^2 + 15504^2 .

It is not a de Polignac number, because 313220241 - 2¹ = 313220239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313220231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13530 + ... + 28451.

It is an arithmetic number, because the mean of its divisors is an integer number (37748815).

Almost surely, 2^313220241 is an apocalyptic number.

It is an amenable number.

313220241 is a deficient number, since it is larger than the sum of its proper divisors (139765539).

313220241 is a wasteful number, since it uses less digits than its factorization.

313220241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42816 (or 42813 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 313220241 is about 17698.0292970715. The cubic root of 313220241 is about 679.1253467646.

Adding to 313220241 its reverse (142022313), we get a palindrome (455242554).

The spelling of 313220241 in words is "three hundred thirteen million, two hundred twenty thousand, two hundred forty-one".