Search a number
-
+
3111030313 = 13123748323
BaseRepresentation
bin1011100101101110…
…1000111000101001
322000210221201021221
42321123220320221
522332410432223
61232412102041
7140044215136
oct27133507051
98023851257
103111030313
111357106136
12729a64921
133a76ba851
1421726958d
151331c6b5d
hexb96e8e29

3111030313 has 4 divisors (see below), whose sum is σ = 3134778768. Its totient is φ = 3087281860.

The previous prime is 3111030287. The next prime is 3111030331. The reversal of 3111030313 is 3130301113.

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 3111030313 - 25 = 3111030281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111030383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11874031 + ... + 11874292.

It is an arithmetic number, because the mean of its divisors is an integer number (783694692).

Almost surely, 23111030313 is an apocalyptic number.

It is an amenable number.

3111030313 is a deficient number, since it is larger than the sum of its proper divisors (23748455).

3111030313 is a wasteful number, since it uses less digits than its factorization.

3111030313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23748454.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 3111030313 is about 55776.6108059642. The cubic root of 3111030313 is about 1459.8270754411.

Adding to 3111030313 its reverse (3130301113), we get a palindrome (6241331426).

The spelling of 3111030313 in words is "three billion, one hundred eleven million, thirty thousand, three hundred thirteen".

Divisors: 1 131 23748323 3111030313