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30211339 is a prime number
BaseRepresentation
bin111001100111…
…1110100001011
32002211220011111
41303033310023
530213230324
62555311151
7514535464
oct163176413
962756144
1030211339
1116065254
12a14b4b7
13634a242
144025d6b
1529bb794
hex1ccfd0b

30211339 has 2 divisors, whose sum is σ = 30211340. Its totient is φ = 30211338.

The previous prime is 30211333. The next prime is 30211361. The reversal of 30211339 is 93311203.

It is an a-pointer prime, because the next prime (30211361) can be obtained adding 30211339 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30211339 - 23 = 30211331 is a prime.

It is not a weakly prime, because it can be changed into another prime (30211331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105669 + 15105670.

It is an arithmetic number, because the mean of its divisors is an integer number (15105670).

Almost surely, 230211339 is an apocalyptic number.

30211339 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211339 is an equidigital number, since it uses as much as digits as its factorization.

30211339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 30211339 is about 5496.4842399483. The cubic root of 30211339 is about 311.4511877015.

The spelling of 30211339 in words is "thirty million, two hundred eleven thousand, three hundred thirty-nine".