1403103143 has 32 divisors (see below), whose sum is σ = 1678320000. Its totient is φ = 1160441856.

The previous prime is 1403103133. The next prime is 1403103199. The reversal of 1403103143 is 3413013041.

It is a cyclic number.

It is not a de Polignac number, because 1403103143 - 2²⁰ = 1402054567 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 (1403103133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466358 + ... + 469356.

It is an arithmetic number, because the mean of its divisors is an integer number (52447500).

Almost surely, 2^1403103143 is an apocalyptic number.

1403103143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1403103143 is a deficient number, since it is larger than the sum of its proper divisors (275216857).

1403103143 is a wasteful number, since it uses less digits than its factorization.

1403103143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1403103143 is about 37458.0184072783. The cubic root of 1403103143 is about 1119.5148682847.

Adding to 1403103143 its reverse (3413013041), we get a palindrome (4816116184).

The spelling of 1403103143 in words is "one billion, four hundred three million, one hundred three thousand, one hundred forty-three".