302042313 has 6 divisors (see below), whose sum is σ = 436283354. Its totient is φ = 201361536.

The previous prime is 302042309. The next prime is 302042317. The reversal of 302042313 is 313240203.

It is an interprime number because it is at equal distance from previous prime (302042309) and next prime (302042317).

It can be written as a sum of positive squares in only one way, i.e., 289952784 + 12089529 = 17028^2 + 3477^2 .

It is not a de Polignac number, because 302042313 - 2² = 302042309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302042317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16780120 + ... + 16780137.

Almost surely, 2^302042313 is an apocalyptic number.

It is an amenable number.

302042313 is a deficient number, since it is larger than the sum of its proper divisors (134241041).

302042313 is a wasteful number, since it uses less digits than its factorization.

302042313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33560263 (or 33560260 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 302042313 is about 17379.3645741149. The cubic root of 302042313 is about 670.9486176555.

Adding to 302042313 its reverse (313240203), we get a palindrome (615282516).

The spelling of 302042313 in words is "three hundred two million, forty-two thousand, three hundred thirteen".