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3123330313 = 22913638997
BaseRepresentation
bin1011101000101010…
…0011110100001001
322001200002121201111
42322022203310021
522344033032223
61233531450321
7140253604165
oct27212436411
98050077644
103123330313
111363047324
12731bb69a1
133aa10625c
14218b4bca5
1513430630d
hexba2a3d09

3123330313 has 4 divisors (see below), whose sum is σ = 3136969540. Its totient is φ = 3109691088.

The previous prime is 3123330293. The next prime is 3123330323. The reversal of 3123330313 is 3130333213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3130333213 = 7447190459.

It can be written as a sum of positive squares in 2 ways, for example, as 3023570169 + 99760144 = 54987^2 + 9988^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123330313 - 25 = 3123330281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123330323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6819270 + ... + 6819727.

It is an arithmetic number, because the mean of its divisors is an integer number (784242385).

Almost surely, 23123330313 is an apocalyptic number.

It is an amenable number.

3123330313 is a deficient number, since it is larger than the sum of its proper divisors (13639227).

3123330313 is a wasteful number, since it uses less digits than its factorization.

3123330313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13639226.

The product of its (nonzero) digits is 1458, while the sum is 22.

The square root of 3123330313 is about 55886.7633076026. The cubic root of 3123330313 is about 1461.7484390167.

Adding to 3123330313 its reverse (3130333213), we get a palindrome (6253663526).

It can be divided in two parts, 312 and 3330313, that added together give a square (3330625 = 18252).

The spelling of 3123330313 in words is "three billion, one hundred twenty-three million, three hundred thirty thousand, three hundred thirteen".

Divisors: 1 229 13638997 3123330313