302130133 has 4 divisors (see below), whose sum is σ = 307083148. Its totient is φ = 297177120.

The previous prime is 302130119. The next prime is 302130151. The reversal of 302130133 is 331031203.

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 104080804 + 198049329 = 10202^2 + 14073^2 .

It is a cyclic number.

It is not a de Polignac number, because 302130133 - 2²¹ = 300032981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302130163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2476416 + ... + 2476537.

It is an arithmetic number, because the mean of its divisors is an integer number (76770787).

Almost surely, 2^302130133 is an apocalyptic number.

It is an amenable number.

302130133 is a deficient number, since it is larger than the sum of its proper divisors (4953015).

302130133 is an equidigital number, since it uses as much as digits as its factorization.

302130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953014.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 302130133 is about 17381.8909500664. The cubic root of 302130133 is about 671.0136383445.

Adding to 302130133 its reverse (331031203), we get a palindrome (633161336).

The spelling of 302130133 in words is "three hundred two million, one hundred thirty thousand, one hundred thirty-three".