1103103013 has 2 divisors, whose sum is σ = 1103103014. Its totient is φ = 1103103012.

The previous prime is 1103102983. The next prime is 1103103017. The reversal of 1103103013 is 3103013011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1069486209 + 33616804 = 32703^2 + 5798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103103013 - 2⁵ = 1103102981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103102984 and 1103103002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103103017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551551506 + 551551507.

It is an arithmetic number, because the mean of its divisors is an integer number (551551507).

Almost surely, 2^1103103013 is an apocalyptic number.

It is an amenable number.

1103103013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103103013 is an equidigital number, since it uses as much as digits as its factorization.

1103103013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1103103013 is about 33212.9946406523. The cubic root of 1103103013 is about 1033.2498643528.

Adding to 1103103013 its reverse (3103013011), we get a palindrome (4206116024).

The spelling of 1103103013 in words is "one billion, one hundred three million, one hundred three thousand, thirteen".