3111000989 has 4 divisors (see below), whose sum is σ = 3113962080. Its totient is φ = 3108039900.

The previous prime is 3111000983. The next prime is 3111001027. The reversal of 3111000989 is 9890001113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3111000989 - 2⁴ = 3111000973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111000983) 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 in 3 ways as a sum of consecutive naturals, for example, 1478969 + ... + 1481070.

It is an arithmetic number, because the mean of its divisors is an integer number (778490520).

Almost surely, 2^3111000989 is an apocalyptic number.

It is an amenable number.

3111000989 is a deficient number, since it is larger than the sum of its proper divisors (2961091).

3111000989 is a wasteful number, since it uses less digits than its factorization.

3111000989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961090.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 3111000989 is about 55776.3479353032. The cubic root of 3111000989 is about 1459.8224887394.

The spelling of 3111000989 in words is "three billion, one hundred eleven million, nine hundred eighty-nine", and thus it is an aban number.