302141993 has 2 divisors, whose sum is σ = 302141994. Its totient is φ = 302141992.

The previous prime is 302141977. The next prime is 302142013. The reversal of 302141993 is 399141203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271195024 + 30946969 = 16468^2 + 5563^2 .

It is an emirp because it is prime and its reverse (399141203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302141993 - 2⁴ = 302141977 is a prime.

It is not a weakly prime, because it can be changed into another prime (302141093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151070996 + 151070997.

It is an arithmetic number, because the mean of its divisors is an integer number (151070997).

Almost surely, 2^302141993 is an apocalyptic number.

It is an amenable number.

302141993 is a deficient number, since it is larger than the sum of its proper divisors (1).

302141993 is an equidigital number, since it uses as much as digits as its factorization.

302141993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 302141993 is about 17382.2321063781. The cubic root of 302141993 is about 671.0224183554.

The spelling of 302141993 in words is "three hundred two million, one hundred forty-one thousand, nine hundred ninety-three".