1005316311 has 4 divisors (see below), whose sum is σ = 1340421752. Its totient is φ = 670210872.

The previous prime is 1005316309. The next prime is 1005316313. The reversal of 1005316311 is 1136135001.

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

It is an interprime number because it is at equal distance from previous prime (1005316309) and next prime (1005316313).

It is not a de Polignac number, because 1005316311 - 2¹ = 1005316309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005316313) 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, 167552716 + ... + 167552721.

It is an arithmetic number, because the mean of its divisors is an integer number (335105438).

Almost surely, 2^1005316311 is an apocalyptic number.

1005316311 is a deficient number, since it is larger than the sum of its proper divisors (335105441).

1005316311 is an equidigital number, since it uses as much as digits as its factorization.

1005316311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335105440.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1005316311 is about 31706.7234352590. The cubic root of 1005316311 is about 1001.7689725576.

The spelling of 1005316311 in words is "one billion, five million, three hundred sixteen thousand, three hundred eleven".