302240213 has 12 divisors (see below), whose sum is σ = 335453664. Its totient is φ = 272085000.

The previous prime is 302240179. The next prime is 302240231. The reversal of 302240213 is 312042203.

It is not a de Polignac number, because 302240213 - 2²⁶ = 235131349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 302240191 and 302240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302240243) 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 11 ways as a sum of consecutive naturals, for example, 338 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (27954472).

Almost surely, 2^302240213 is an apocalyptic number.

It is an amenable number.

302240213 is a deficient number, since it is larger than the sum of its proper divisors (33213451).

302240213 is a wasteful number, since it uses less digits than its factorization.

302240213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24376 (or 24365 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 302240213 is about 17385.0571756322. The cubic root of 302240213 is about 671.0951222309.

Adding to 302240213 its reverse (312042203), we get a palindrome (614282416).

The spelling of 302240213 in words is "three hundred two million, two hundred forty thousand, two hundred thirteen".