102311000203 has 2 divisors, whose sum is σ = 102311000204. Its totient is φ = 102311000202.

The previous prime is 102311000201. The next prime is 102311000299. The reversal of 102311000203 is 302000113201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102311000203 - 2¹ = 102311000201 is a prime.

Together with 102311000201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102311000201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51155500101 + 51155500102.

It is an arithmetic number, because the mean of its divisors is an integer number (51155500102).

Almost surely, 2^102311000203 is an apocalyptic number.

102311000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102311000203 is an equidigital number, since it uses as much as digits as its factorization.

102311000203 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.

Adding to 102311000203 its reverse (302000113201), we get a palindrome (404311113404).

The spelling of 102311000203 in words is "one hundred two billion, three hundred eleven million, two hundred three", and thus it is an aban number.