302023313 has 4 divisors (see below), whose sum is σ = 312437940. Its totient is φ = 291608688.

The previous prime is 302023289. The next prime is 302023333. The reversal of 302023313 is 313320203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 233845264 + 68178049 = 15292^2 + 8257^2 .

It is not a de Polignac number, because 302023313 - 2¹² = 302019217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302023291 and 302023300.

It is not an unprimeable number, because it can be changed into a prime (302023333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5207270 + ... + 5207327.

It is an arithmetic number, because the mean of its divisors is an integer number (78109485).

Almost surely, 2^302023313 is an apocalyptic number.

It is an amenable number.

302023313 is a deficient number, since it is larger than the sum of its proper divisors (10414627).

302023313 is a wasteful number, since it uses less digits than its factorization.

302023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10414626.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 302023313 is about 17378.8179402398. The cubic root of 302023313 is about 670.9345486653.

Adding to 302023313 its reverse (313320203), we get a palindrome (615343516).

The spelling of 302023313 in words is "three hundred two million, twenty-three thousand, three hundred thirteen".