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1223130302351 is a prime number
BaseRepresentation
bin10001110011001000001…
…111110100011110001111
311022221010001110012210022
4101303020033310132033
5130014432324133401
62333522011132355
7154240211012606
oct21631017643617
94287101405708
101223130302351
114317aa194651
12179073a440bb
138b45766a149
14432b2454a3d
1521c3a68871b
hex11cc83f478f

1223130302351 has 2 divisors, whose sum is σ = 1223130302352. Its totient is φ = 1223130302350.

The previous prime is 1223130302309. The next prime is 1223130302357. The reversal of 1223130302351 is 1532030313221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1223130302351 is a prime.

It is a super-2 number, since 2×12231303023512 (a number of 25 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 1223130302351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223130302357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611565151175 + 611565151176.

It is an arithmetic number, because the mean of its divisors is an integer number (611565151176).

Almost surely, 21223130302351 is an apocalyptic number.

1223130302351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223130302351 is an equidigital number, since it uses as much as digits as its factorization.

1223130302351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 1223130302351 its reverse (1532030313221), we get a palindrome (2755160615572).

The spelling of 1223130302351 in words is "one trillion, two hundred twenty-three billion, one hundred thirty million, three hundred two thousand, three hundred fifty-one".