102311203 has 2 divisors, whose sum is σ = 102311204. Its totient is φ = 102311202.

The previous prime is 102311201. The next prime is 102311207. The reversal of 102311203 is 302113201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102311203 - 2¹ = 102311201 is a prime.

Together with 102311201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102311201) 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 as a sum of consecutive naturals, namely, 51155601 + 51155602.

It is an arithmetic number, because the mean of its divisors is an integer number (51155602).

Almost surely, 2^102311203 is an apocalyptic number.

102311203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102311203 is an equidigital number, since it uses as much as digits as its factorization.

102311203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 102311203 is about 10114.9000489377. The cubic root of 102311203 is about 467.7075677546.

Adding to 102311203 its reverse (302113201), we get a palindrome (404424404).

The spelling of 102311203 in words is "one hundred two million, three hundred eleven thousand, two hundred three".