1103103001313 has 4 divisors (see below), whose sum is σ = 1103118760980. Its totient is φ = 1103087241648.

The previous prime is 1103103001309. The next prime is 1103103001327. The reversal of 1103103001313 is 3131003013011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 478453040209 + 624649961104 = 691703^2 + 790348^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103103001313 - 2² = 1103103001309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103103001291 and 1103103001300.

It is not an unprimeable number, because it can be changed into a prime (1103106001313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7774370 + ... + 7914987.

It is an arithmetic number, because the mean of its divisors is an integer number (275779690245).

Almost surely, 2^{1103103001313} is an apocalyptic number.

It is an amenable number.

1103103001313 is a deficient number, since it is larger than the sum of its proper divisors (15759667).

1103103001313 is an equidigital number, since it uses as much as digits as its factorization.

1103103001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15759666.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1103103001313 its reverse (3131003013011), we get a palindrome (4234106014324).

The spelling of 1103103001313 in words is "one trillion, one hundred three billion, one hundred three million, one thousand, three hundred thirteen".