1010003103 has 6 divisors (see below), whose sum is σ = 1458893384. Its totient is φ = 673335396.

The previous prime is 1010003081. The next prime is 1010003119. The reversal of 1010003103 is 3013000101.

It is a de Polignac number, because none of the positive numbers 2^k-1010003103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 112222567 = 1010003103 / (1 + 0 + 1 + 0 + 0 + 0 + 3 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010003173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56111275 + ... + 56111292.

Almost surely, 2^1010003103 is an apocalyptic number.

1010003103 is a deficient number, since it is larger than the sum of its proper divisors (448890281).

1010003103 is a wasteful number, since it uses less digits than its factorization.

1010003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112222573 (or 112222570 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1010003103 is about 31780.5459833528. The cubic root of 1010003103 is about 1003.3233110358.

Adding to 1010003103 its reverse (3013000101), we get a palindrome (4023003204).

The spelling of 1010003103 in words is "one billion, ten million, three thousand, one hundred three".