1103434311 has 32 divisors (see below), whose sum is σ = 1744496640. Its totient is φ = 607009536.

The previous prime is 1103434289. The next prime is 1103434331. The reversal of 1103434311 is 1134343011.

It is not a de Polignac number, because 1103434311 - 2⁵ = 1103434279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103434331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221035 + ... + 225971.

It is an arithmetic number, because the mean of its divisors is an integer number (54515520).

Almost surely, 2^1103434311 is an apocalyptic number.

1103434311 is a deficient number, since it is larger than the sum of its proper divisors (641062329).

1103434311 is a wasteful number, since it uses less digits than its factorization.

1103434311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1103434311 is about 33217.9817418217. The cubic root of 1103434311 is about 1033.3532936022.

Adding to 1103434311 its reverse (1134343011), we get a palindrome (2237777322).

The spelling of 1103434311 in words is "one billion, one hundred three million, four hundred thirty-four thousand, three hundred eleven".