1003113243 has 24 divisors (see below), whose sum is σ = 1592750016. Its totient is φ = 603298800.

The previous prime is 1003113233. The next prime is 1003113259. The reversal of 1003113243 is 3423113001.

It is not a de Polignac number, because 1003113243 - 2⁵ = 1003113211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003113233) 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 23 ways as a sum of consecutive naturals, for example, 25705 + ... + 51642.

It is an arithmetic number, because the mean of its divisors is an integer number (66364584).

Almost surely, 2^1003113243 is an apocalyptic number.

1003113243 is a deficient number, since it is larger than the sum of its proper divisors (589636773).

1003113243 is a wasteful number, since it uses less digits than its factorization.

1003113243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77495 (or 77492 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1003113243 is about 31671.9630430449. The cubic root of 1003113243 is about 1001.0366726052.

Adding to 1003113243 its reverse (3423113001), we get a palindrome (4426226244).

The spelling of 1003113243 in words is "one billion, three million, one hundred thirteen thousand, two hundred forty-three".