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3331012813 is a prime number
BaseRepresentation
bin1100011010001011…
…0011100011001101
322121010212222112221
43012202303203031
523310214402223
61310311055341
7145355066422
oct30642634315
98533788487
103331012813
11145a2a7257
1278b671551
134111502cb
1423856dd49
1514767bb5d
hexc68b38cd

3331012813 has 2 divisors, whose sum is σ = 3331012814. Its totient is φ = 3331012812.

The previous prime is 3331012777. The next prime is 3331012823. The reversal of 3331012813 is 3182101333.

3331012813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2837373289 + 493639524 = 53267^2 + 22218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3331012813 is a prime.

It is a super-2 number, since 2×33310128132 = 22191292720740345938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3331012823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665506406 + 1665506407.

It is an arithmetic number, because the mean of its divisors is an integer number (1665506407).

Almost surely, 23331012813 is an apocalyptic number.

It is an amenable number.

3331012813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331012813 is an equidigital number, since it uses as much as digits as its factorization.

3331012813 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 3331012813 is about 57714.9271246183. The cubic root of 3331012813 is about 1493.4548620216.

The spelling of 3331012813 in words is "three billion, three hundred thirty-one million, twelve thousand, eight hundred thirteen".