11103211313 has 2 divisors, whose sum is σ = 11103211314. Its totient is φ = 11103211312.

The previous prime is 11103211297. The next prime is 11103211321. The reversal of 11103211313 is 31311230111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11010724624 + 92486689 = 104932^2 + 9617^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103211313 - 2⁴ = 11103211297 is a prime.

It is a super-2 number, since 2×11103211313² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11103211291 and 11103211300.

It is not a weakly prime, because it can be changed into another prime (11103211213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551605656 + 5551605657.

It is an arithmetic number, because the mean of its divisors is an integer number (5551605657).

Almost surely, 2^11103211313 is an apocalyptic number.

It is an amenable number.

11103211313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103211313 is an equidigital number, since it uses as much as digits as its factorization.

11103211313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11103211313 its reverse (31311230111), we get a palindrome (42414441424).

The spelling of 11103211313 in words is "eleven billion, one hundred three million, two hundred eleven thousand, three hundred thirteen".