1103404131 has 6 divisors (see below), whose sum is σ = 1593805980. Its totient is φ = 735602748.

The previous prime is 1103404129. The next prime is 1103404171. The reversal of 1103404131 is 1314043011.

It is not a de Polignac number, because 1103404131 - 2¹ = 1103404129 is a prime.

It is a super-2 number, since 2×1103404131² = 2435001352615730322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103404171) 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 5 ways as a sum of consecutive naturals, for example, 61300221 + ... + 61300238.

It is an arithmetic number, because the mean of its divisors is an integer number (265634330).

Almost surely, 2^1103404131 is an apocalyptic number.

1103404131 is a deficient number, since it is larger than the sum of its proper divisors (490401849).

1103404131 is a wasteful number, since it uses less digits than its factorization.

1103404131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122600465 (or 122600462 counting only the distinct ones).

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

The square root of 1103404131 is about 33217.5274666854. The cubic root of 1103404131 is about 1033.3438724442.

Adding to 1103404131 its reverse (1314043011), we get a palindrome (2417447142).

The spelling of 1103404131 in words is "one billion, one hundred three million, four hundred four thousand, one hundred thirty-one".