1003133103 has 32 divisors (see below), whose sum is σ = 1551094272. Its totient is φ = 564816000.

The previous prime is 1003133099. The next prime is 1003133107. The reversal of 1003133103 is 3013313001.

It is an interprime number because it is at equal distance from previous prime (1003133099) and next prime (1003133107).

It is not a de Polignac number, because 1003133103 - 2² = 1003133099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003133107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1221433 + ... + 1222253.

It is an arithmetic number, because the mean of its divisors is an integer number (48471696).

Almost surely, 2^1003133103 is an apocalyptic number.

1003133103 is a deficient number, since it is larger than the sum of its proper divisors (547961169).

1003133103 is an equidigital number, since it uses as much as digits as its factorization.

1003133103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 1003133103 is about 31672.2765680019. The cubic root of 1003133103 is about 1001.0432788574.

Adding to 1003133103 its reverse (3013313001), we get a palindrome (4016446104).

It can be divided in two parts, 1003133 and 103, that added together give a triangular number (1003236 = T₁₄₁₆).

The spelling of 1003133103 in words is "one billion, three million, one hundred thirty-three thousand, one hundred three".