163311101 has 2 divisors, whose sum is σ = 163311102. Its totient is φ = 163311100.

The previous prime is 163311089. The next prime is 163311133. The reversal of 163311101 is 101113361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148108900 + 15202201 = 12170^2 + 3899^2 .

It is a cyclic number.

It is not a de Polignac number, because 163311101 - 2²⁶ = 96202237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 163311101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163331101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81655550 + 81655551.

It is an arithmetic number, because the mean of its divisors is an integer number (81655551).

Almost surely, 2^163311101 is an apocalyptic number.

It is an amenable number.

163311101 is a deficient number, since it is larger than the sum of its proper divisors (1).

163311101 is an equidigital number, since it uses as much as digits as its factorization.

163311101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 163311101 is about 12779.3231823912. The cubic root of 163311101 is about 546.6028631580.

Adding to 163311101 its reverse (101113361), we get a palindrome (264424462).

The spelling of 163311101 in words is "one hundred sixty-three million, three hundred eleven thousand, one hundred one".