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4230815131 is a prime number
BaseRepresentation
bin1111110000101101…
…0001110110011011
3101220212000200021201
43330023101312123
532131042041011
61535453015031
7206562222664
oct37413216633
911825020251
104230815131
111881204034
129a0a84477
135256a7a0a
142c1c7836b
1519b669cc1
hexfc2d1d9b

4230815131 has 2 divisors, whose sum is σ = 4230815132. Its totient is φ = 4230815130.

The previous prime is 4230815111. The next prime is 4230815137. The reversal of 4230815131 is 1315180324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4230815131 - 29 = 4230814619 is a prime.

It is a super-2 number, since 2×42308151312 = 35799593345397094322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4230815131.

It is not a weakly prime, because it can be changed into another prime (4230815137) 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, 2115407565 + 2115407566.

It is an arithmetic number, because the mean of its divisors is an integer number (2115407566).

Almost surely, 24230815131 is an apocalyptic number.

4230815131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230815131 is an equidigital number, since it uses as much as digits as its factorization.

4230815131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 4230815131 is about 65044.7163957227. The cubic root of 4230815131 is about 1617.3649091726.

Adding to 4230815131 its reverse (1315180324), we get a palindrome (5545995455).

The spelling of 4230815131 in words is "four billion, two hundred thirty million, eight hundred fifteen thousand, one hundred thirty-one".