3111319 has 2 divisors, whose sum is σ = 3111320. Its totient is φ = 3111318.

The previous prime is 3111313. The next prime is 3111331. The reversal of 3111319 is 9131113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3111319 - 2⁵ = 3111287 is a prime.

It is a super-2 number, since 2×3111319² = 19360611839522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3111296 and 3111305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555659 + 1555660.

It is an arithmetic number, because the mean of its divisors is an integer number (1555660).

Almost surely, 2^3111319 is an apocalyptic number.

3111319 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111319 is an equidigital number, since it uses as much as digits as its factorization.

3111319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81, while the sum is 19.

The square root of 3111319 is about 1763.8931373527. The cubic root of 3111319 is about 145.9872228763.

The spelling of 3111319 in words is "three million, one hundred eleven thousand, three hundred nineteen".