1002031103 has 8 divisors (see below), whose sum is σ = 1031797536. Its totient is φ = 972518400.

The previous prime is 1002031097. The next prime is 1002031111. The reversal of 1002031103 is 3011302001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002031103 - 2⁶ = 1002031039 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 (1002031603) 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 7 ways as a sum of consecutive naturals, for example, 55403 + ... + 71228.

It is an arithmetic number, because the mean of its divisors is an integer number (128974692).

Almost surely, 2^1002031103 is an apocalyptic number.

1002031103 is a deficient number, since it is larger than the sum of its proper divisors (29766433).

1002031103 is a wasteful number, since it uses less digits than its factorization.

1002031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126865.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1002031103 is about 31654.8748694415. The cubic root of 1002031103 is about 1000.6765764744.

Adding to 1002031103 its reverse (3011302001), we get a palindrome (4013333104).

The spelling of 1002031103 in words is "one billion, two million, thirty-one thousand, one hundred three".