1020233171 has 2 divisors, whose sum is σ = 1020233172. Its totient is φ = 1020233170.

The previous prime is 1020233059. The next prime is 1020233191. The reversal of 1020233171 is 1713320201.

It is an a-pointer prime, because the next prime (1020233191) can be obtained adding 1020233171 to its sum of digits (20).

It is a strong prime.

It is an emirp because it is prime and its reverse (1713320201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020233171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020233191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510116585 + 510116586.

It is an arithmetic number, because the mean of its divisors is an integer number (510116586).

Almost surely, 2^1020233171 is an apocalyptic number.

1020233171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020233171 is an equidigital number, since it uses as much as digits as its factorization.

1020233171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1020233171 is about 31941.0890703495. The cubic root of 1020233171 is about 1006.6994080375.

Adding to 1020233171 its reverse (1713320201), we get a palindrome (2733553372).

The spelling of 1020233171 in words is "one billion, twenty million, two hundred thirty-three thousand, one hundred seventy-one".