Base | Representation |
---|---|
bin | 11101000011110111… |
… | …001100010110110111 |
3 | 2222112121112112121012 |
4 | 131003313030112313 |
5 | 1002401022004304 |
6 | 22200135142435 |
7 | 2153150533151 |
oct | 350367142667 |
9 | 88477475535 |
10 | 31203313079 |
11 | 12262502a54 |
12 | 6069b14a1b |
13 | 2c33779583 |
14 | 172019bad1 |
15 | c295bb16e |
hex | 743dcc5b7 |
31203313079 has 2 divisors, whose sum is σ = 31203313080. Its totient is φ = 31203313078.
The previous prime is 31203313039. The next prime is 31203313081. The reversal of 31203313079 is 97031330213.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31203313079 - 220 = 31202264503 is a prime.
Together with 31203313081, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31203313039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15601656539 + 15601656540.
It is an arithmetic number, because the mean of its divisors is an integer number (15601656540).
Almost surely, 231203313079 is an apocalyptic number.
31203313079 is a deficient number, since it is larger than the sum of its proper divisors (1).
31203313079 is an equidigital number, since it uses as much as digits as its factorization.
31203313079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10206, while the sum is 32.
The spelling of 31203313079 in words is "thirty-one billion, two hundred three million, three hundred thirteen thousand, seventy-nine".
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