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1224434131 is a prime number
BaseRepresentation
bin100100011111011…
…0110000111010011
310011022222200212021
41020332312013103
510001423343011
6321255512311
742225342544
oct11076660723
93138880767
101224434131
11579185538
122a2088697
1316689ac4b
14b88904cb
1572765471
hex48fb61d3

1224434131 has 2 divisors, whose sum is σ = 1224434132. Its totient is φ = 1224434130.

The previous prime is 1224434117. The next prime is 1224434153. The reversal of 1224434131 is 1314344221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1224434131 - 227 = 1090216403 is a prime.

It is a super-2 number, since 2×12244341312 = 2998477882315450322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1224434096 and 1224434105.

It is not a weakly prime, because it can be changed into another prime (1224434111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612217065 + 612217066.

It is an arithmetic number, because the mean of its divisors is an integer number (612217066).

Almost surely, 21224434131 is an apocalyptic number.

1224434131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224434131 is an equidigital number, since it uses as much as digits as its factorization.

1224434131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 1224434131 is about 34991.9152233770. The cubic root of 1224434131 is about 1069.8227007014.

Adding to 1224434131 its reverse (1314344221), we get a palindrome (2538778352).

The spelling of 1224434131 in words is "one billion, two hundred twenty-four million, four hundred thirty-four thousand, one hundred thirty-one".