1103404311 has 12 divisors (see below), whose sum is σ = 1594462792. Its totient is φ = 735299856.

The previous prime is 1103404301. The next prime is 1103404319. The reversal of 1103404311 is 1134043011.

1103404311 is a `hidden beast` number, since 1 + 10 + 340 + 4 + 311 = 666.

It is not a de Polignac number, because 1103404311 - 2⁵ = 1103404279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103404319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 961 + ... + 46986.

Almost surely, 2^1103404311 is an apocalyptic number.

1103404311 is a deficient number, since it is larger than the sum of its proper divisors (491058481).

1103404311 is a wasteful number, since it uses less digits than its factorization.

1103404311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50510 (or 50507 counting only the distinct ones).

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

The square root of 1103404311 is about 33217.5301760983. The cubic root of 1103404311 is about 1033.3439286346.

Adding to 1103404311 its reverse (1134043011), we get a palindrome (2237447322).

The spelling of 1103404311 in words is "one billion, one hundred three million, four hundred four thousand, three hundred eleven".