1103113311 has 4 divisors (see below), whose sum is σ = 1470817752. Its totient is φ = 735408872.

The previous prime is 1103113307. The next prime is 1103113337. The reversal of 1103113311 is 1133113011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1133113011 = 3 ⋅377704337.

It is a cyclic number.

It is not a de Polignac number, because 1103113311 - 2² = 1103113307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103113411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183852216 + ... + 183852221.

It is an arithmetic number, because the mean of its divisors is an integer number (367704438).

Almost surely, 2^1103113311 is an apocalyptic number.

1103113311 is a deficient number, since it is larger than the sum of its proper divisors (367704441).

1103113311 is an equidigital number, since it uses as much as digits as its factorization.

1103113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367704440.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1103113311 is about 33213.1496699726. The cubic root of 1103113311 is about 1033.2530796385.

Adding to 1103113311 its reverse (1133113011), we get a palindrome (2236226322).

It can be divided in two parts, 11031 and 13311, that added together give a palindrome (24342).

The spelling of 1103113311 in words is "one billion, one hundred three million, one hundred thirteen thousand, three hundred eleven".