163245311 has 2 divisors, whose sum is σ = 163245312. Its totient is φ = 163245310.

The previous prime is 163245307. The next prime is 163245317. The reversal of 163245311 is 113542361.

It is a weak prime.

It is an emirp because it is prime and its reverse (113542361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163245311 - 2² = 163245307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163245317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81622655 + 81622656.

It is an arithmetic number, because the mean of its divisors is an integer number (81622656).

Almost surely, 2^163245311 is an apocalyptic number.

163245311 is a deficient number, since it is larger than the sum of its proper divisors (1).

163245311 is an equidigital number, since it uses as much as digits as its factorization.

163245311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 163245311 is about 12776.7488431134. The cubic root of 163245311 is about 546.5294535078.

Adding to 163245311 its reverse (113542361), we get a palindrome (276787672).

The spelling of 163245311 in words is "one hundred sixty-three million, two hundred forty-five thousand, three hundred eleven".