313020241 has 2 divisors, whose sum is σ = 313020242. Its totient is φ = 313020240.

The previous prime is 313020217. The next prime is 313020289. The reversal of 313020241 is 142020313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293128641 + 19891600 = 17121^2 + 4460^2 .

It is an emirp because it is prime and its reverse (142020313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313020241 - 2¹¹ = 313018193 is a prime.

It is not a weakly prime, because it can be changed into another prime (313020941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156510120 + 156510121.

It is an arithmetic number, because the mean of its divisors is an integer number (156510121).

Almost surely, 2^313020241 is an apocalyptic number.

It is an amenable number.

313020241 is a deficient number, since it is larger than the sum of its proper divisors (1).

313020241 is an equidigital number, since it uses as much as digits as its factorization.

313020241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 313020241 is about 17692.3780481879. The cubic root of 313020241 is about 678.9807690615.

Adding to 313020241 its reverse (142020313), we get a palindrome (455040554).

The spelling of 313020241 in words is "three hundred thirteen million, twenty thousand, two hundred forty-one".