284312043133 has 2 divisors, whose sum is σ = 284312043134. Its totient is φ = 284312043132.

The previous prime is 284312043077. The next prime is 284312043167. The reversal of 284312043133 is 331340213482.

It is an a-pointer prime, because the next prime (284312043167) can be obtained adding 284312043133 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227440286649 + 56871756484 = 476907^2 + 238478^2 .

It is a cyclic number.

It is not a de Polignac number, because 284312043133 - 2⁹ = 284312042621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284312043173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142156021566 + 142156021567.

It is an arithmetic number, because the mean of its divisors is an integer number (142156021567).

Almost surely, 2^284312043133 is an apocalyptic number.

It is an amenable number.

284312043133 is a deficient number, since it is larger than the sum of its proper divisors (1).

284312043133 is an equidigital number, since it uses as much as digits as its factorization.

284312043133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 284312043133 in words is "two hundred eighty-four billion, three hundred twelve million, forty-three thousand, one hundred thirty-three".