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3011320313 = 17177136489
BaseRepresentation
bin1011001101111101…
…0001100111111001
321202212022220212222
42303133101213321
522131344222223
61214451013425
7134423541341
oct26337214771
97685286788
103011320313
1113058a2581
1270059a275
1338cb49051
14207d11d21
1512957d0c8
hexb37d19f9

3011320313 has 4 divisors (see below), whose sum is σ = 3188456820. Its totient is φ = 2834183808.

The previous prime is 3011320307. The next prime is 3011320331. The reversal of 3011320313 is 3130231103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3130231103 = 12724647489.

It can be written as a sum of positive squares in 2 ways, for example, as 2497300729 + 514019584 = 49973^2 + 22672^2 .

It is a cyclic number.

It is not a de Polignac number, because 3011320313 - 216 = 3011254777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 177136489 = 3011320313 / (3 + 0 + 1 + 1 + 3 + 2 + 0 + 3 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3011320291 and 3011320300.

It is not an unprimeable number, because it can be changed into a prime (3011320913) 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, 88568228 + ... + 88568261.

It is an arithmetic number, because the mean of its divisors is an integer number (797114205).

Almost surely, 23011320313 is an apocalyptic number.

It is an amenable number.

3011320313 is a deficient number, since it is larger than the sum of its proper divisors (177136507).

3011320313 is a wasteful number, since it uses less digits than its factorization.

3011320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177136506.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 3011320313 is about 54875.4982938652. The cubic root of 3011320313 is about 1444.0613729245.

Adding to 3011320313 its reverse (3130231103), we get a palindrome (6141551416).

The spelling of 3011320313 in words is "three billion, eleven million, three hundred twenty thousand, three hundred thirteen".

Divisors: 1 17 177136489 3011320313