1103403442131 has 16 divisors (see below), whose sum is σ = 1649668759200. Its totient is φ = 728853647904.

The previous prime is 1103403442091. The next prime is 1103403442133. The reversal of 1103403442131 is 1312443043011.

1103403442131 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 403 + 44 + 213 + 1 = 666.

It is not a de Polignac number, because 1103403442131 - 2²⁷ = 1103269224403 is a prime.

It is a super-2 number, since 2×1103403442131² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1103403442095 and 1103403442104.

It is not an unprimeable number, because it can be changed into a prime (1103403442133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187459416 + ... + 187465301.

It is an arithmetic number, because the mean of its divisors is an integer number (103104297450).

Almost surely, 2^{1103403442131} is an apocalyptic number.

1103403442131 is a deficient number, since it is larger than the sum of its proper divisors (546265317069).

1103403442131 is a wasteful number, since it uses less digits than its factorization.

1103403442131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374924835 (or 374924829 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1103403442131 its reverse (1312443043011), we get a palindrome (2415846485142).

The spelling of 1103403442131 in words is "one trillion, one hundred three billion, four hundred three million, four hundred forty-two thousand, one hundred thirty-one".