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213320001313 = 397695363977
BaseRepresentation
bin1100011010101011011…
…1001110011100100001
3202101121122012212020101
43012222313032130201
511443334410020223
6241555311542401
721261161044036
oct3065267163441
9671548185211
10213320001313
1182517641351
123541452aa01
1317167aa2863
14a47914938d
155837a364ad
hex31aadce721

213320001313 has 4 divisors (see below), whose sum is σ = 213325405060. Its totient is φ = 213314597568.

The previous prime is 213320001269. The next prime is 213320001319. The reversal of 213320001313 is 313100023312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145090904464 + 68229096849 = 380908^2 + 261207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213320001313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213320001319) 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, 2642220 + ... + 2721757.

It is an arithmetic number, because the mean of its divisors is an integer number (53331351265).

Almost surely, 2213320001313 is an apocalyptic number.

It is an amenable number.

213320001313 is a deficient number, since it is larger than the sum of its proper divisors (5403747).

213320001313 is an equidigital number, since it uses as much as digits as its factorization.

213320001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403746.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213320001313 its reverse (313100023312), we get a palindrome (526420024625).

The spelling of 213320001313 in words is "two hundred thirteen billion, three hundred twenty million, one thousand, three hundred thirteen".

Divisors: 1 39769 5363977 213320001313