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1224334231 is a prime number
BaseRepresentation
bin100100011111001…
…1101101110010111
310011022210121211021
41020332131232113
510001412143411
6321253422011
742224445361
oct11076355627
93138717737
101224334231
1157911747a
122a203a907
13166864633
14b8865d31
1572745a71
hex48f9db97

1224334231 has 2 divisors, whose sum is σ = 1224334232. Its totient is φ = 1224334230.

The previous prime is 1224334207. The next prime is 1224334249. The reversal of 1224334231 is 1324334221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1224334231 is a prime.

It is a super-2 number, since 2×12243342312 = 2997988618396722722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1224334196 and 1224334205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224334031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612167115 + 612167116.

It is an arithmetic number, because the mean of its divisors is an integer number (612167116).

Almost surely, 21224334231 is an apocalyptic number.

1224334231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224334231 is an equidigital number, since it uses as much as digits as its factorization.

1224334231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 1224334231 is about 34990.4877216652. The cubic root of 1224334231 is about 1069.7936047591.

Adding to 1224334231 its reverse (1324334221), we get a palindrome (2548668452).

The spelling of 1224334231 in words is "one billion, two hundred twenty-four million, three hundred thirty-four thousand, two hundred thirty-one".