3111020005 has 16 divisors (see below), whose sum is σ = 4013326080. Its totient is φ = 2307655872.

The previous prime is 3111019957. The next prime is 3111020039. The reversal of 3111020005 is 5000201113.

It is a cyclic number.

It is not a de Polignac number, because 3111020005 - 2²³ = 3102631397 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 343914 + ... + 352843.

It is an arithmetic number, because the mean of its divisors is an integer number (250832880).

Almost surely, 2^3111020005 is an apocalyptic number.

It is an amenable number.

3111020005 is a deficient number, since it is larger than the sum of its proper divisors (902306075).

3111020005 is a wasteful number, since it uses less digits than its factorization.

3111020005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696828.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 3111020005 is about 55776.5184015639. The cubic root of 3111020005 is about 1459.8254631227.

Adding to 3111020005 its reverse (5000201113), we get a palindrome (8111221118).

It can be divided in two parts, 31110 and 20005, that added together give a palindrome (51115).

The spelling of 3111020005 in words is "three billion, one hundred eleven million, twenty thousand, five".