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3331131709 is a prime number
BaseRepresentation
bin1100011010001101…
…0000100100111101
322121011010000122111
43012203100210331
523310232203314
61310313414021
7145356103153
oct30643204475
98534100574
103331131709
11145a378614
1278b70a311
13411192469
142385a13d3
151476a1ec4
hexc68d093d

3331131709 has 2 divisors, whose sum is σ = 3331131710. Its totient is φ = 3331131708.

The previous prime is 3331131707. The next prime is 3331131743. The reversal of 3331131709 is 9071311333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3037112100 + 294019609 = 55110^2 + 17147^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331131709 - 21 = 3331131707 is a prime.

It is a super-2 number, since 2×33311317092 = 22192876925410521362, which contains 22 as substring.

Together with 3331131707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3331131701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665565854 + 1665565855.

It is an arithmetic number, because the mean of its divisors is an integer number (1665565855).

Almost surely, 23331131709 is an apocalyptic number.

It is an amenable number.

3331131709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331131709 is an equidigital number, since it uses as much as digits as its factorization.

3331131709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 3331131709 is about 57715.9571435838. The cubic root of 3331131709 is about 1493.4726307611.

The spelling of 3331131709 in words is "three billion, three hundred thirty-one million, one hundred thirty-one thousand, seven hundred nine".