3111322189 has 2 divisors, whose sum is σ = 3111322190. Its totient is φ = 3111322188.

The previous prime is 3111322177. The next prime is 3111322199. The reversal of 3111322189 is 9812231113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3083580900 + 27741289 = 55530^2 + 5267^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111322189 - 2⁹ = 3111321677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3111322189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111322129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555661094 + 1555661095.

It is an arithmetic number, because the mean of its divisors is an integer number (1555661095).

Almost surely, 2^3111322189 is an apocalyptic number.

It is an amenable number.

3111322189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111322189 is an equidigital number, since it uses as much as digits as its factorization.

3111322189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 3111322189 is about 55779.2272176659. The cubic root of 3111322189 is about 1459.8727275370.

It can be divided in two parts, 311 and 1322189, that added together give a square (1322500 = 1150²).

The spelling of 3111322189 in words is "three billion, one hundred eleven million, three hundred twenty-two thousand, one hundred eighty-nine".