1005313011 has 4 divisors (see below), whose sum is σ = 1340417352. Its totient is φ = 670208672.

The previous prime is 1005313007. The next prime is 1005313019. The reversal of 1005313011 is 1103135001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1103135001 = 3 ⋅367711667.

It is a cyclic number.

It is not a de Polignac number, because 1005313011 - 2² = 1005313007 is a prime.

It is a super-2 number, since 2×1005313011² = 2021308500171772242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005313019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167552166 + ... + 167552171.

It is an arithmetic number, because the mean of its divisors is an integer number (335104338).

Almost surely, 2^1005313011 is an apocalyptic number.

1005313011 is a deficient number, since it is larger than the sum of its proper divisors (335104341).

1005313011 is an equidigital number, since it uses as much as digits as its factorization.

1005313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335104340.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 1005313011 is about 31706.6713957804. The cubic root of 1005313011 is about 1001.7678764378.

Adding to 1005313011 its reverse (1103135001), we get a palindrome (2108448012).

The spelling of 1005313011 in words is "one billion, five million, three hundred thirteen thousand, eleven".