Search a number
-
+
12831020297 is a prime number
BaseRepresentation
bin10111111001100100…
…11101010100001001
31020010012211100212222
423330302131110021
5202234220122142
65521113143425
7632651605304
oct137462352411
936105740788
1012831020297
11549485a507
1225a10bab75
131296388c04
1489a13db3b
155016c3bd2
hex2fcc9d509

12831020297 has 2 divisors, whose sum is σ = 12831020298. Its totient is φ = 12831020296.

The previous prime is 12831020291. The next prime is 12831020309. The reversal of 12831020297 is 79202013821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8067812041 + 4763208256 = 89821^2 + 69016^2 .

It is a cyclic number.

It is not a de Polignac number, because 12831020297 - 222 = 12826825993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12831020291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6415510148 + 6415510149.

It is an arithmetic number, because the mean of its divisors is an integer number (6415510149).

Almost surely, 212831020297 is an apocalyptic number.

It is an amenable number.

12831020297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12831020297 is an equidigital number, since it uses as much as digits as its factorization.

12831020297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 12831020297 in words is "twelve billion, eight hundred thirty-one million, twenty thousand, two hundred ninety-seven".