163130311 has 2 divisors, whose sum is σ = 163130312. Its totient is φ = 163130310.

The previous prime is 163130293. The next prime is 163130389. The reversal of 163130311 is 113031361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163130311 - 2⁷ = 163130183 is a prime.

It is a super-2 number, since 2×163130311² = 53222996733913442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163130111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81565155 + 81565156.

It is an arithmetic number, because the mean of its divisors is an integer number (81565156).

Almost surely, 2^163130311 is an apocalyptic number.

163130311 is a deficient number, since it is larger than the sum of its proper divisors (1).

163130311 is an equidigital number, since it uses as much as digits as its factorization.

163130311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 163130311 is about 12772.2476878582. The cubic root of 163130311 is about 546.4010870813.

Adding to 163130311 its reverse (113031361), we get a palindrome (276161672).

The spelling of 163130311 in words is "one hundred sixty-three million, one hundred thirty thousand, three hundred eleven".