43302781053313 has 2 divisors, whose sum is σ = 43302781053314. Its totient is φ = 43302781053312.

The previous prime is 43302781053289. The next prime is 43302781053341. The reversal of 43302781053313 is 31335018720334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42442723276864 + 860057776449 = 6514808^2 + 927393^2 .

It is a cyclic number.

It is not a de Polignac number, because 43302781053313 - 2²⁹ = 43302244182401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43302781053313.

It is not a weakly prime, because it can be changed into another prime (43302781053383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21651390526656 + 21651390526657.

It is an arithmetic number, because the mean of its divisors is an integer number (21651390526657).

Almost surely, 2^{43302781053313} is an apocalyptic number.

It is an amenable number.

43302781053313 is a deficient number, since it is larger than the sum of its proper divisors (1).

43302781053313 is an equidigital number, since it uses as much as digits as its factorization.

43302781053313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 43.

Adding to 43302781053313 its reverse (31335018720334), we get a palindrome (74637799773647).

The spelling of 43302781053313 in words is "forty-three trillion, three hundred two billion, seven hundred eighty-one million, fifty-three thousand, three hundred thirteen".