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BaseRepresentation
bin1011010010110111…
…1010111110001101
321211022010100112121
42310231322332031
522202133440114
61220504532541
7135064016131
oct26455727615
97738110477
103031936909
1113164a4091
12707481151
133941b7011
1420a95b3c1
1512b2a1a24
hexb4b7af8d

3031936909 has 2 divisors, whose sum is σ = 3031936910. Its totient is φ = 3031936908.

The previous prime is 3031936907. The next prime is 3031936939. The reversal of 3031936909 is 9096391303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2639698884 + 392238025 = 51378^2 + 19805^2 .

It is a cyclic number.

It is not a de Polignac number, because 3031936909 - 21 = 3031936907 is a prime.

Together with 3031936907, 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 (3031936907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515968454 + 1515968455.

It is an arithmetic number, because the mean of its divisors is an integer number (1515968455).

Almost surely, 23031936909 is an apocalyptic number.

It is an amenable number.

3031936909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031936909 is an equidigital number, since it uses as much as digits as its factorization.

3031936909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 43.

The square root of 3031936909 is about 55063.0266966864. The cubic root of 3031936909 is about 1447.3494040437.

The spelling of 3031936909 in words is "three billion, thirty-one million, nine hundred thirty-six thousand, nine hundred nine".