1113002003 has 2 divisors, whose sum is σ = 1113002004. Its totient is φ = 1113002002.

The previous prime is 1113001997. The next prime is 1113002041. The reversal of 1113002003 is 3002003111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113002003 - 2⁴ = 1113001987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113002063) 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, 556501001 + 556501002.

It is an arithmetic number, because the mean of its divisors is an integer number (556501002).

Almost surely, 2^1113002003 is an apocalyptic number.

1113002003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113002003 is an equidigital number, since it uses as much as digits as its factorization.

1113002003 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 1113002003 is about 33361.6846547053. The cubic root of 1113002003 is about 1036.3313797456.

Adding to 1113002003 its reverse (3002003111), we get a palindrome (4115005114).

It can be divided in two parts, 111 and 3002003, that multiplied together give a palindrome (333222333).

The spelling of 1113002003 in words is "one billion, one hundred thirteen million, two thousand, three".