302012143049 has 2 divisors, whose sum is σ = 302012143050. Its totient is φ = 302012143048.

The previous prime is 302012143033. The next prime is 302012143187. The reversal of 302012143049 is 940341210203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231664129225 + 70348013824 = 481315^2 + 265232^2 .

It is an emirp because it is prime and its reverse (940341210203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302012143049 - 2⁴ = 302012143033 is a prime.

It is a super-2 number, since 2×302012143049² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (302012143249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151006071524 + 151006071525.

It is an arithmetic number, because the mean of its divisors is an integer number (151006071525).

Almost surely, 2^302012143049 is an apocalyptic number.

It is an amenable number.

302012143049 is a deficient number, since it is larger than the sum of its proper divisors (1).

302012143049 is an equidigital number, since it uses as much as digits as its factorization.

302012143049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 302012143049 in words is "three hundred two billion, twelve million, one hundred forty-three thousand, forty-nine".