103003013 has 4 divisors (see below), whose sum is σ = 103029228. Its totient is φ = 102976800.

The previous prime is 103002973. The next prime is 103003027. The reversal of 103003013 is 310300301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310300301 = 3697 ⋅83933.

It can be written as a sum of positive squares in 2 ways, for example, as 49098049 + 53904964 = 7007^2 + 7342^2 .

It is a cyclic number.

It is not a de Polignac number, because 103003013 - 2¹⁰ = 103001989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103002985 and 103003003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103003093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5888 + ... + 15513.

It is an arithmetic number, because the mean of its divisors is an integer number (25757307).

Almost surely, 2^103003013 is an apocalyptic number.

It is an amenable number.

103003013 is a deficient number, since it is larger than the sum of its proper divisors (26215).

103003013 is an equidigital number, since it uses as much as digits as its factorization.

103003013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26214.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 103003013 is about 10149.0400038624. The cubic root of 103003013 is about 468.7593854595.

Adding to 103003013 its reverse (310300301), we get a palindrome (413303314).

It can be divided in two parts, 10300301 and 3, that multiplied together give a palindrome (30900903).

The spelling of 103003013 in words is "one hundred three million, three thousand, thirteen".