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331255120297 is a prime number
BaseRepresentation
bin1001101001000000101…
…10000000000110101001
31011200000201221122111011
410310200112000012221
520411402302322142
6412102042503521
732634545031133
oct4644026000651
91150021848434
10331255120297
11118536974832
1254248804ba1
132531124702a
1412066148053
15893b5b0417
hex4d205801a9

331255120297 has 2 divisors, whose sum is σ = 331255120298. Its totient is φ = 331255120296.

The previous prime is 331255120241. The next prime is 331255120403. The reversal of 331255120297 is 792021552133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275851846656 + 55403273641 = 525216^2 + 235379^2 .

It is a cyclic number.

It is not a de Polignac number, because 331255120297 - 27 = 331255120169 is a prime.

It is not a weakly prime, because it can be changed into another prime (331255120997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165627560148 + 165627560149.

It is an arithmetic number, because the mean of its divisors is an integer number (165627560149).

Almost surely, 2331255120297 is an apocalyptic number.

It is an amenable number.

331255120297 is a deficient number, since it is larger than the sum of its proper divisors (1).

331255120297 is an equidigital number, since it uses as much as digits as its factorization.

331255120297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 331255120297 in words is "three hundred thirty-one billion, two hundred fifty-five million, one hundred twenty thousand, two hundred ninety-seven".