2003103311213 has 2 divisors, whose sum is σ = 2003103311214. Its totient is φ = 2003103311212.

The previous prime is 2003103311191. The next prime is 2003103311267. The reversal of 2003103311213 is 3121133013002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1993512438724 + 9590872489 = 1411918^2 + 97933^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003103311213 - 2¹⁰ = 2003103310189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003103311513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001551655606 + 1001551655607.

It is an arithmetic number, because the mean of its divisors is an integer number (1001551655607).

Almost surely, 2^{2003103311213} is an apocalyptic number.

It is an amenable number.

2003103311213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003103311213 is an equidigital number, since it uses as much as digits as its factorization.

2003103311213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2003103311213 its reverse (3121133013002), we get a palindrome (5124236324215).

The spelling of 2003103311213 in words is "two trillion, three billion, one hundred three million, three hundred eleven thousand, two hundred thirteen".