215033431243 has 2 divisors, whose sum is σ = 215033431244. Its totient is φ = 215033431242.

The previous prime is 215033431229. The next prime is 215033431271. The reversal of 215033431243 is 342134330512.

It is a happy number.

215033431243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215033431243 - 2²⁵ = 214999876811 is a prime.

It is not a weakly prime, because it can be changed into another prime (215033431213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107516715621 + 107516715622.

It is an arithmetic number, because the mean of its divisors is an integer number (107516715622).

Almost surely, 2^215033431243 is an apocalyptic number.

215033431243 is a deficient number, since it is larger than the sum of its proper divisors (1).

215033431243 is an equidigital number, since it uses as much as digits as its factorization.

215033431243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 215033431243 its reverse (342134330512), we get a palindrome (557167761755).

The spelling of 215033431243 in words is "two hundred fifteen billion, thirty-three million, four hundred thirty-one thousand, two hundred forty-three".