2101313 has 2 divisors, whose sum is σ = 2101314. Its totient is φ = 2101312.
The previous prime is 2101283. The next prime is 2101327. The reversal of 2101313 is 3131012.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1117249 + 984064 = 1057^2 + 992^2 .
It is a cyclic number.
It is not a de Polignac number, because 2101313 - 26 = 2101249 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 2101294 and 2101303.
It is not a weakly prime, because it can be changed into another prime (2101213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050656 + 1050657.
It is an arithmetic number, because the mean of its divisors is an integer number (1050657).
22101313 is an apocalyptic number.
It is an amenable number.
2101313 is a deficient number, since it is larger than the sum of its proper divisors (1).
2101313 is an equidigital number, since it uses as much as digits as its factorization.
2101313 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 2101313 is about 1449.5906318682. The cubic root of 2101313 is about 128.0845998343.
Adding to 2101313 its reverse (3131012), we get a palindrome (5232325).
The spelling of 2101313 in words is "two million, one hundred one thousand, three hundred thirteen".
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