103203011 has 2 divisors, whose sum is σ = 103203012. Its totient is φ = 103203010.

The previous prime is 103203007. The next prime is 103203017. The reversal of 103203011 is 110302301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103203011 - 2² = 103203007 is a prime.

It is a super-2 number, since 2×103203011² = 21301722958932242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 103202983 and 103203001.

It is not a weakly prime, because it can be changed into another prime (103203017) 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, 51601505 + 51601506.

It is an arithmetic number, because the mean of its divisors is an integer number (51601506).

Almost surely, 2^103203011 is an apocalyptic number.

103203011 is a deficient number, since it is larger than the sum of its proper divisors (1).

103203011 is an equidigital number, since it uses as much as digits as its factorization.

103203011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 103203011 is about 10158.8882757908. Note that the first 3 decimals coincide. The cubic root of 103203011 is about 469.0625815324.

Adding to 103203011 its reverse (110302301), we get a palindrome (213505312).

It can be divided in two parts, 10320 and 3011, that added together give a palindrome (13331).

The spelling of 103203011 in words is "one hundred three million, two hundred three thousand, eleven".