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38361331 is a prime number
BaseRepresentation
bin1001001001010…
…1100011110011
32200011221212001
42102111203303
534310030311
63450114431
7644031421
oct222254363
980157761
1038361331
111a721488
1210a1ba17
137c41a18
145148111
15357b4c1
hex24958f3

38361331 has 2 divisors, whose sum is σ = 38361332. Its totient is φ = 38361330.

The previous prime is 38361313. The next prime is 38361343. The reversal of 38361331 is 13316383.

38361331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (38361313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13316383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38361331 - 225 = 4806899 is a prime.

It is a super-2 number, since 2×383613312 = 2943183432183122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38361331.

It is not a weakly prime, because it can be changed into another prime (38361431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19180665 + 19180666.

It is an arithmetic number, because the mean of its divisors is an integer number (19180666).

Almost surely, 238361331 is an apocalyptic number.

38361331 is a deficient number, since it is larger than the sum of its proper divisors (1).

38361331 is an equidigital number, since it uses as much as digits as its factorization.

38361331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 38361331 is about 6193.6524765279. The cubic root of 38361331 is about 337.2597826082.

The spelling of 38361331 in words is "thirty-eight million, three hundred sixty-one thousand, three hundred thirty-one".