1000011303 has 12 divisors (see below), whose sum is σ = 1445888808. Its totient is φ = 666015120.

The previous prime is 1000011301. The next prime is 1000011317. The reversal of 1000011303 is 3031100001.

It is not a de Polignac number, because 1000011303 - 2¹ = 1000011301 is a prime.

It is a super-2 number, since 2×1000011303² = 2000045212255515618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000011301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45225 + ... + 63602.

It is an arithmetic number, because the mean of its divisors is an integer number (120490734).

Almost surely, 2^1000011303 is an apocalyptic number.

1000011303 is a deficient number, since it is larger than the sum of its proper divisors (445877505).

1000011303 is a wasteful number, since it uses less digits than its factorization.

1000011303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109854 (or 109851 counting only the distinct ones).

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

The square root of 1000011303 is about 31622.9553173008. The cubic root of 1000011303 is about 1000.0037676525.

Adding to 1000011303 its reverse (3031100001), we get a palindrome (4031111304).

The spelling of 1000011303 in words is "one billion, eleven thousand, three hundred three".