1103440311 has 6 divisors (see below), whose sum is σ = 1593858240. Its totient is φ = 735626868.

The previous prime is 1103440279. The next prime is 1103440391. The reversal of 1103440311 is 1130443011.

1103440311 is a `hidden beast` number, since 1 + 10 + 344 + 0 + 311 = 666.

It is not a de Polignac number, because 1103440311 - 2⁵ = 1103440279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103440391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61302231 + ... + 61302248.

It is an arithmetic number, because the mean of its divisors is an integer number (265643040).

Almost surely, 2^1103440311 is an apocalyptic number.

1103440311 is a deficient number, since it is larger than the sum of its proper divisors (490417929).

1103440311 is a wasteful number, since it uses less digits than its factorization.

1103440311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122604485 (or 122604482 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1103440311 is about 33218.0720542298. The cubic root of 1103440311 is about 1033.3551665753.

Adding to 1103440311 its reverse (1130443011), we get a palindrome (2233883322).

The spelling of 1103440311 in words is "one billion, one hundred three million, four hundred forty thousand, three hundred eleven".