11103110311 has 4 divisors (see below), whose sum is σ = 11103431400. Its totient is φ = 11102789224.

The previous prime is 11103110303. The next prime is 11103110327. The reversal of 11103110311 is 11301130111.

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

It is a cyclic number.

It is not a de Polignac number, because 11103110311 - 2³ = 11103110303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103110291 and 11103110300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103110341) 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, 101416 + ... + 180253.

It is an arithmetic number, because the mean of its divisors is an integer number (2775857850).

Almost surely, 2^11103110311 is an apocalyptic number.

11103110311 is a deficient number, since it is larger than the sum of its proper divisors (321089).

11103110311 is an equidigital number, since it uses as much as digits as its factorization.

11103110311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321088.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 11103110311 its reverse (11301130111), we get a palindrome (22404240422).

The spelling of 11103110311 in words is "eleven billion, one hundred three million, one hundred ten thousand, three hundred eleven".