1011113003 has 4 divisors (see below), whose sum is σ = 1027688688. Its totient is φ = 994537320.

The previous prime is 1011112967. The next prime is 1011113011. The reversal of 1011113003 is 3003111101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1011113003 - 2⁶ = 1011112939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011113083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8287751 + ... + 8287872.

It is an arithmetic number, because the mean of its divisors is an integer number (256922172).

Almost surely, 2^1011113003 is an apocalyptic number.

1011113003 is a deficient number, since it is larger than the sum of its proper divisors (16575685).

1011113003 is an equidigital number, since it uses as much as digits as its factorization.

1011113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16575684.

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

The square root of 1011113003 is about 31798.0031291275. The cubic root of 1011113003 is about 1003.6906963366.

Adding to 1011113003 its reverse (3003111101), we get a palindrome (4014224104).

The spelling of 1011113003 in words is "one billion, eleven million, one hundred thirteen thousand, three".