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2213412307 = 3171400397
BaseRepresentation
bin1000001111101101…
…1111110111010011
312201020220222212121
42003323133313103
514013113143212
61003345035111
7105564460051
oct20373376723
95636828777
102213412307
11a36460477
12519325a97
13293749432
1416dd6d1d1
15ce4bad07
hex83edfdd3

2213412307 has 4 divisors (see below), whose sum is σ = 2284812736. Its totient is φ = 2142011880.

The previous prime is 2213412301. The next prime is 2213412319. The reversal of 2213412307 is 7032143122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7032143122 = 23516071561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2213412307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213412301) 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, 35700168 + ... + 35700229.

It is an arithmetic number, because the mean of its divisors is an integer number (571203184).

Almost surely, 22213412307 is an apocalyptic number.

2213412307 is a deficient number, since it is larger than the sum of its proper divisors (71400429).

2213412307 is an equidigital number, since it uses as much as digits as its factorization.

2213412307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71400428.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2213412307 is about 47046.9160200751. The cubic root of 2213412307 is about 1303.2291138741.

Adding to 2213412307 its reverse (7032143122), we get a palindrome (9245555429).

The spelling of 2213412307 in words is "two billion, two hundred thirteen million, four hundred twelve thousand, three hundred seven".

Divisors: 1 31 71400397 2213412307