1131404103 has 24 divisors (see below), whose sum is σ = 1646107008. Its totient is φ = 748818432.

The previous prime is 1131404081. The next prime is 1131404107. The reversal of 1131404103 is 3014041311.

1131404103 is a `hidden beast` number, since 113 + 140 + 410 + 3 = 666.

It is not a de Polignac number, because 1131404103 - 2¹⁸ = 1131141959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131404107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157551 + ... + 1158527.

It is an arithmetic number, because the mean of its divisors is an integer number (68587792).

Almost surely, 2^1131404103 is an apocalyptic number.

1131404103 is a deficient number, since it is larger than the sum of its proper divisors (514702905).

1131404103 is a wasteful number, since it uses less digits than its factorization.

1131404103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783 (or 1780 counting only the distinct ones).

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

The square root of 1131404103 is about 33636.3509168281. The cubic root of 1131404103 is about 1042.0116706068.

Adding to 1131404103 its reverse (3014041311), we get a palindrome (4145445414).

The spelling of 1131404103 in words is "one billion, one hundred thirty-one million, four hundred four thousand, one hundred three".