1013144403 has 4 divisors (see below), whose sum is σ = 1350859208. Its totient is φ = 675429600.

The previous prime is 1013144351. The next prime is 1013144441. The reversal of 1013144403 is 3044413101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1013144403 - 2⁸ = 1013144147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013144403.

It is not an unprimeable number, because it can be changed into a prime (1013144003) 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 3 ways as a sum of consecutive naturals, for example, 168857398 + ... + 168857403.

It is an arithmetic number, because the mean of its divisors is an integer number (337714802).

Almost surely, 2^1013144403 is an apocalyptic number.

1013144403 is a deficient number, since it is larger than the sum of its proper divisors (337714805).

1013144403 is an equidigital number, since it uses as much as digits as its factorization.

1013144403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337714804.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1013144403 is about 31829.9293590168. The cubic root of 1013144403 is about 1004.3624093780.

Adding to 1013144403 its reverse (3044413101), we get a palindrome (4057557504).

The spelling of 1013144403 in words is "one billion, thirteen million, one hundred forty-four thousand, four hundred three".