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12424044331 is a prime number
BaseRepresentation
bin10111001001000011…
…11101111100101011
31012001212000211211001
423210201331330223
5200421023404311
65412454215431
7616610430406
oct134441757453
935055024731
1012424044331
1152a605a436
1224a8954577
13122cc7432a
1485c080d3d
154caad34c1
hex2e487df2b

12424044331 has 2 divisors, whose sum is σ = 12424044332. Its totient is φ = 12424044330.

The previous prime is 12424044263. The next prime is 12424044341. The reversal of 12424044331 is 13344042421.

It is a strong prime.

It is an emirp because it is prime and its reverse (13344042421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12424044331 - 221 = 12421947179 is a prime.

It is a super-2 number, since 2×124240443312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12424044331.

It is not a weakly prime, because it can be changed into another prime (12424044341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212022165 + 6212022166.

It is an arithmetic number, because the mean of its divisors is an integer number (6212022166).

Almost surely, 212424044331 is an apocalyptic number.

12424044331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12424044331 is an equidigital number, since it uses as much as digits as its factorization.

12424044331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12424044331 its reverse (13344042421), we get a palindrome (25768086752).

The spelling of 12424044331 in words is "twelve billion, four hundred twenty-four million, forty-four thousand, three hundred thirty-one".