303241013 has 4 divisors (see below), whose sum is σ = 303692268. Its totient is φ = 302789760.

The previous prime is 303240941. The next prime is 303241073. The reversal of 303241013 is 310142303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310142303 = 12907 ⋅24029.

It can be written as a sum of positive squares in 2 ways, for example, as 222546724 + 80694289 = 14918^2 + 8983^2 .

It is a cyclic number.

It is not a de Polignac number, because 303241013 - 2¹⁸ = 302978869 is a prime.

It is a super-2 number, since 2×303241013² = 183910223930532338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303240982 and 303241000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303241073) 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 in 3 ways as a sum of consecutive naturals, for example, 224618 + ... + 225963.

It is an arithmetic number, because the mean of its divisors is an integer number (75923067).

Almost surely, 2^303241013 is an apocalyptic number.

It is an amenable number.

303241013 is a deficient number, since it is larger than the sum of its proper divisors (451255).

303241013 is an equidigital number, since it uses as much as digits as its factorization.

303241013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451254.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 303241013 is about 17413.8167269556. The cubic root of 303241013 is about 671.8350326411.

Adding to 303241013 its reverse (310142303), we get a palindrome (613383316).

The spelling of 303241013 in words is "three hundred three million, two hundred forty-one thousand, thirteen".