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12311313097 is a prime number
BaseRepresentation
bin10110111011100111…
…11011101011001001
31011202222220111122011
423131303323223021
5200203144004342
65353350055521
7614041302046
oct133563735311
934688814564
1012311313097
115248462826
12247704a5a1
1312127c3a65
1484b0d81cd
154c0c66717
hex2ddcfbac9

12311313097 has 2 divisors, whose sum is σ = 12311313098. Its totient is φ = 12311313096.

The previous prime is 12311313031. The next prime is 12311313121. The reversal of 12311313097 is 79031311321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12210029001 + 101284096 = 110499^2 + 10064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12311313097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311313697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155656548 + 6155656549.

It is an arithmetic number, because the mean of its divisors is an integer number (6155656549).

Almost surely, 212311313097 is an apocalyptic number.

It is an amenable number.

12311313097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311313097 is an equidigital number, since it uses as much as digits as its factorization.

12311313097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The spelling of 12311313097 in words is "twelve billion, three hundred eleven million, three hundred thirteen thousand, ninety-seven".