2011319 has 4 divisors (see below), whose sum is σ = 2015544. Its totient is φ = 2007096.

The previous prime is 2011309. The next prime is 2011333. The reversal of 2011319 is 9131102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9131102 = 2 ⋅4565551.

It is a cyclic number.

It is not a de Polignac number, because 2011319 - 2²⁰ = 962743 is a prime.

It is a super-2 number, since 2×2011319² = 8090808239522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011297 and 2011306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (503886).

2^2011319 is an apocalyptic number.

2011319 is a deficient number, since it is larger than the sum of its proper divisors (4225).

2011319 is an equidigital number, since it uses as much as digits as its factorization.

2011319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2011319 is about 1418.2097870202. The cubic root of 2011319 is about 126.2293421090.

The spelling of 2011319 in words is "two million, eleven thousand, three hundred nineteen".