3113111389 has 2 divisors, whose sum is σ = 3113111390. Its totient is φ = 3113111388.

The previous prime is 3113111371. The next prime is 3113111429. The reversal of 3113111389 is 9831113113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2181824100 + 931287289 = 46710^2 + 30517^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113111389 - 2¹¹ = 3113109341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3113111389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113111329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556555694 + 1556555695.

It is an arithmetic number, because the mean of its divisors is an integer number (1556555695).

Almost surely, 2^3113111389 is an apocalyptic number.

It is an amenable number.

3113111389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113111389 is an equidigital number, since it uses as much as digits as its factorization.

3113111389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 31.

The square root of 3113111389 is about 55795.2631412381. The cubic root of 3113111389 is about 1460.1525125285.

The spelling of 3113111389 in words is "three billion, one hundred thirteen million, one hundred eleven thousand, three hundred eighty-nine".