11312017 has 4 divisors (see below), whose sum is σ = 11401216. Its totient is φ = 11222820.

The previous prime is 11312009. The next prime is 11312033. The reversal of 11312017 is 71021311.

11312017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71021311 = 2129 ⋅33359.

It is a cyclic number.

It is not a de Polignac number, because 11312017 - 2³ = 11312009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312057) 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, 44409 + ... + 44662.

It is an arithmetic number, because the mean of its divisors is an integer number (2850304).

Almost surely, 2^11312017 is an apocalyptic number.

It is an amenable number.

11312017 is a deficient number, since it is larger than the sum of its proper divisors (89199).

11312017 is an equidigital number, since it uses as much as digits as its factorization.

11312017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89198.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11312017 is about 3363.3342087875. The cubic root of 11312017 is about 224.4812212407.

Adding to 11312017 its reverse (71021311), we get a palindrome (82333328).

The spelling of 11312017 in words is "eleven million, three hundred twelve thousand, seventeen".