11319271 has 4 divisors (see below), whose sum is σ = 11336344. Its totient is φ = 11302200.

The previous prime is 11319227. The next prime is 11319281. The reversal of 11319271 is 17291311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17291311 = 19 ⋅910069.

It is a cyclic number.

It is not a de Polignac number, because 11319271 - 2¹⁵ = 11286503 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 (11319211) 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, 7500 + ... + 8881.

It is an arithmetic number, because the mean of its divisors is an integer number (2834086).

Almost surely, 2^11319271 is an apocalyptic number.

11319271 is a deficient number, since it is larger than the sum of its proper divisors (17073).

11319271 is an equidigital number, since it uses as much as digits as its factorization.

11319271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17072.

The product of its digits is 378, while the sum is 25.

The square root of 11319271 is about 3364.4124301280. The cubic root of 11319271 is about 224.5291949671.

The spelling of 11319271 in words is "eleven million, three hundred nineteen thousand, two hundred seventy-one".