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3312310381 is a prime number
BaseRepresentation
bin1100010101101101…
…1101100001101101
322112211200210122021
43011123131201231
523240422413011
61304402150141
7145040113402
oct30533354155
98484623567
103312310381
11144a7928a6
12785352351
1340a302693
14235ca22a9
15145bd5471
hexc56dd86d

3312310381 has 2 divisors, whose sum is σ = 3312310382. Its totient is φ = 3312310380.

The previous prime is 3312310373. The next prime is 3312310403. The reversal of 3312310381 is 1830132133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3025550025 + 286760356 = 55005^2 + 16934^2 .

It is an emirp because it is prime and its reverse (1830132133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3312310381 - 23 = 3312310373 is a prime.

It is a super-2 number, since 2×33123103812 = 21942800120160730322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3312317381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656155190 + 1656155191.

It is an arithmetic number, because the mean of its divisors is an integer number (1656155191).

Almost surely, 23312310381 is an apocalyptic number.

It is an amenable number.

3312310381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312310381 is an equidigital number, since it uses as much as digits as its factorization.

3312310381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3312310381 is about 57552.6748379256. The cubic root of 3312310381 is about 1490.6545449367.

The spelling of 3312310381 in words is "three billion, three hundred twelve million, three hundred ten thousand, three hundred eighty-one".