213303331430171 has 2 divisors, whose sum is σ = 213303331430172. Its totient is φ = 213303331430170.

The previous prime is 213303331430053. The next prime is 213303331430257. The reversal of 213303331430171 is 171034133303312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213303331430171 - 2⁴⁶ = 142934587252507 is a prime.

It is a super-2 number, since 2×213303331430171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213303331430771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651665715085 + 106651665715086.

It is an arithmetic number, because the mean of its divisors is an integer number (106651665715086).

Almost surely, 2^{213303331430171} is an apocalyptic number.

213303331430171 is a deficient number, since it is larger than the sum of its proper divisors (1).

213303331430171 is an equidigital number, since it uses as much as digits as its factorization.

213303331430171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

Adding to 213303331430171 its reverse (171034133303312), we get a palindrome (384337464733483).

The spelling of 213303331430171 in words is "two hundred thirteen trillion, three hundred three billion, three hundred thirty-one million, four hundred thirty thousand, one hundred seventy-one".