1003311113 has 6 divisors (see below), whose sum is σ = 1167117066. Its totient is φ = 859980912.

The previous prime is 1003311109. The next prime is 1003311137. The reversal of 1003311113 is 3111133001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 808094329 + 195216784 = 28427^2 + 13972^2 .

It is not a de Polignac number, because 1003311113 - 2² = 1003311109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1003311163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10237820 + ... + 10237917.

It is an arithmetic number, because the mean of its divisors is an integer number (194519511).

Almost surely, 2^1003311113 is an apocalyptic number.

It is an amenable number.

1003311113 is a deficient number, since it is larger than the sum of its proper divisors (163805953).

1003311113 is an equidigital number, since it uses as much as digits as its factorization.

1003311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20475751 (or 20475744 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1003311113 is about 31675.0866297158. The cubic root of 1003311113 is about 1001.1024884060.

Adding to 1003311113 its reverse (3111133001), we get a palindrome (4114444114).

The spelling of 1003311113 in words is "one billion, three million, three hundred eleven thousand, one hundred thirteen".