1003103133 has 4 divisors (see below), whose sum is σ = 1337470848. Its totient is φ = 668735420.

The previous prime is 1003103131. The next prime is 1003103137. The reversal of 1003103133 is 3313013001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3313013001 = 3 ⋅1104337667.

It is a cyclic number.

It is not a de Polignac number, because 1003103133 - 2¹ = 1003103131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003103131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167183853 + ... + 167183858.

It is an arithmetic number, because the mean of its divisors is an integer number (334367712).

Almost surely, 2^1003103133 is an apocalyptic number.

It is an amenable number.

1003103133 is a deficient number, since it is larger than the sum of its proper divisors (334367715).

1003103133 is an equidigital number, since it uses as much as digits as its factorization.

1003103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334367714.

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

The square root of 1003103133 is about 31671.8034377583. The cubic root of 1003103133 is about 1001.0333095702.

Adding to 1003103133 its reverse (3313013001), we get a palindrome (4316116134).

It can be divided in two parts, 1003103 and 133, that added together give a triangular number (1003236 = T₁₄₁₆).

The spelling of 1003103133 in words is "one billion, three million, one hundred three thousand, one hundred thirty-three".