18100307 has 2 divisors, whose sum is σ = 18100308. Its totient is φ = 18100306.

The previous prime is 18100283. The next prime is 18100319. The reversal of 18100307 is 70300181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18100307 - 2¹⁰ = 18099283 is a prime.

It is a super-2 number, since 2×18100307² = 655242226988498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18100337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9050153 + 9050154.

It is an arithmetic number, because the mean of its divisors is an integer number (9050154).

Almost surely, 2^18100307 is an apocalyptic number.

18100307 is a deficient number, since it is larger than the sum of its proper divisors (1).

18100307 is an equidigital number, since it uses as much as digits as its factorization.

18100307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 18100307 is about 4254.4455572965. The cubic root of 18100307 is about 262.5600503584.

Adding to 18100307 its reverse (70300181), we get a palindrome (88400488).

The spelling of 18100307 in words is "eighteen million, one hundred thousand, three hundred seven".