302142383 has 2 divisors, whose sum is σ = 302142384. Its totient is φ = 302142382.

The previous prime is 302142359. The next prime is 302142397. The reversal of 302142383 is 383241203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302142383 is a prime.

It is a Chen prime.

It is equal to p_16362206 and since 302142383 and 16362206 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302142353) 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 as a sum of consecutive naturals, namely, 151071191 + 151071192.

It is an arithmetic number, because the mean of its divisors is an integer number (151071192).

Almost surely, 2^302142383 is an apocalyptic number.

302142383 is a deficient number, since it is larger than the sum of its proper divisors (1).

302142383 is an equidigital number, since it uses as much as digits as its factorization.

302142383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 302142383 is about 17382.2433247265. The cubic root of 302142383 is about 671.0227070703.

Adding to 302142383 its reverse (383241203), we get a palindrome (685383586).

The spelling of 302142383 in words is "three hundred two million, one hundred forty-two thousand, three hundred eighty-three".