102306211 has 16 divisors (see below), whose sum is σ = 119420928. Its totient is φ = 85831200.

The previous prime is 102306181. The next prime is 102306223. The reversal of 102306211 is 112603201.

It is not a de Polignac number, because 102306211 - 2⁵ = 102306179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102306251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111846 + ... + 112756.

It is an arithmetic number, because the mean of its divisors is an integer number (7463808).

Almost surely, 2^102306211 is an apocalyptic number.

102306211 is a deficient number, since it is larger than the sum of its proper divisors (17114717).

102306211 is an equidigital number, since it uses as much as digits as its factorization.

102306211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 102306211 is about 10114.6532812549. The cubic root of 102306211 is about 467.6999607866.

Adding to 102306211 its reverse (112603201), we get a palindrome (214909412).

The spelling of 102306211 in words is "one hundred two million, three hundred six thousand, two hundred eleven".