302130233 has 4 divisors (see below), whose sum is σ = 304902180. Its totient is φ = 299358288.

The previous prime is 302130223. The next prime is 302130253. The reversal of 302130233 is 332031203.

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 146579449 + 155550784 = 12107^2 + 12472^2 .

It is a cyclic number.

It is not a de Polignac number, because 302130233 - 2⁴ = 302130217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302130223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385810 + ... + 1386027.

It is an arithmetic number, because the mean of its divisors is an integer number (76225545).

Almost surely, 2^302130233 is an apocalyptic number.

It is an amenable number.

302130233 is a deficient number, since it is larger than the sum of its proper divisors (2771947).

302130233 is a wasteful number, since it uses less digits than its factorization.

302130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771946.

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

The square root of 302130233 is about 17381.8938266232. The cubic root of 302130233 is about 671.0137123759.

Adding to 302130233 its reverse (332031203), we get a palindrome (634161436).

The spelling of 302130233 in words is "three hundred two million, one hundred thirty thousand, two hundred thirty-three".