102430211 has 4 divisors (see below), whose sum is σ = 110309472. Its totient is φ = 94550952.

The previous prime is 102430187. The next prime is 102430241. The reversal of 102430211 is 112034201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102430211 - 2⁶ = 102430147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102430241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3939611 + ... + 3939636.

It is an arithmetic number, because the mean of its divisors is an integer number (27577368).

Almost surely, 2^102430211 is an apocalyptic number.

102430211 is a deficient number, since it is larger than the sum of its proper divisors (7879261).

102430211 is an equidigital number, since it uses as much as digits as its factorization.

102430211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879260.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102430211 is about 10120.7811457417. The cubic root of 102430211 is about 467.8888427046. Note that the first 4 decimals are identical.

Adding to 102430211 its reverse (112034201), we get a palindrome (214464412).

The spelling of 102430211 in words is "one hundred two million, four hundred thirty thousand, two hundred eleven".