1013111003 has 8 divisors (see below), whose sum is σ = 1037211648. Its totient is φ = 989034984.

The previous prime is 1013110993. The next prime is 1013111041. The reversal of 1013111003 is 3001113101.

It is a happy number.

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 1013111003 - 2⁶ = 1013110939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013111063) 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 7 ways as a sum of consecutive naturals, for example, 97526 + ... + 107412.

It is an arithmetic number, because the mean of its divisors is an integer number (129651456).

Almost surely, 2^1013111003 is an apocalyptic number.

1013111003 is a deficient number, since it is larger than the sum of its proper divisors (24100645).

1013111003 is an equidigital number, since it uses as much as digits as its factorization.

1013111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12313.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1013111003 is about 31829.4046912599. The cubic root of 1013111003 is about 1004.3513724277.

Adding to 1013111003 its reverse (3001113101), we get a palindrome (4014224104).

The spelling of 1013111003 in words is "one billion, thirteen million, one hundred eleven thousand, three".