1013103003 has 32 divisors (see below), whose sum is σ = 1513562112. Its totient is φ = 597542400.

The previous prime is 1013102999. The next prime is 1013103019. The reversal of 1013103003 is 3003013101.

It is not a de Polignac number, because 1013103003 - 2² = 1013102999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013103003.

It is not an unprimeable number, because it can be changed into a prime (1013103053) 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, 219843 + ... + 224403.

It is an arithmetic number, because the mean of its divisors is an integer number (47298816).

Almost surely, 2^1013103003 is an apocalyptic number.

1013103003 is a deficient number, since it is larger than the sum of its proper divisors (500459109).

1013103003 is a wasteful number, since it uses less digits than its factorization.

1013103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 1013103003 is about 31829.2790210523. The cubic root of 1013103003 is about 1004.3487288108.

Adding to 1013103003 its reverse (3003013101), we get a palindrome (4016116104).

The spelling of 1013103003 in words is "one billion, thirteen million, one hundred three thousand, three".