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33212313349 is a prime number
BaseRepresentation
bin11110111011100110…
…111010111100000101
310011201121211022212121
4132323212322330011
51021004323011344
623131343045541
72254014001615
oct367346727405
9104647738777
1033212313349
11130a3537656
12652a8a08b1
133193a55427
141870d1aa45
15ce5b5a684
hex7bb9baf05

33212313349 has 2 divisors, whose sum is σ = 33212313350. Its totient is φ = 33212313348.

The previous prime is 33212313271. The next prime is 33212313361. The reversal of 33212313349 is 94331321233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31917609025 + 1294704324 = 178655^2 + 35982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33212313349 is a prime.

It is a super-2 number, since 2×332123133492 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33212313049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16606156674 + 16606156675.

It is an arithmetic number, because the mean of its divisors is an integer number (16606156675).

Almost surely, 233212313349 is an apocalyptic number.

It is an amenable number.

33212313349 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212313349 is an equidigital number, since it uses as much as digits as its factorization.

33212313349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 34.

The spelling of 33212313349 in words is "thirty-three billion, two hundred twelve million, three hundred thirteen thousand, three hundred forty-nine".