1003312011 has 16 divisors (see below), whose sum is σ = 1447126016. Its totient is φ = 614648736.

The previous prime is 1003311997. The next prime is 1003312021. The reversal of 1003312011 is 1102133001.

It is not a de Polignac number, because 1003312011 - 2¹¹ = 1003309963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003312021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48985 + ... + 66378.

It is an arithmetic number, because the mean of its divisors is an integer number (90445376).

Almost surely, 2^1003312011 is an apocalyptic number.

1003312011 is a deficient number, since it is larger than the sum of its proper divisors (443814005).

1003312011 is a wasteful number, since it uses less digits than its factorization.

1003312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115602.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1003312011 is about 31675.1008048909. The cubic root of 1003312011 is about 1001.1027870803.

Adding to 1003312011 its reverse (1102133001), we get a palindrome (2105445012).

The spelling of 1003312011 in words is "one billion, three million, three hundred twelve thousand, eleven".