Search a number
-
+
230336021431 is a prime number
BaseRepresentation
bin1101011010000100011…
…0001100001110110111
3211000112111212020121201
43112201012030032313
512233212010141211
6253452004153331
722432640610115
oct3264106141667
9730474766551
10230336021431
118975975209a
1238783098847
131894a1b4a09
14b210dd8ab5
155ed18250c1
hex35a118c3b7

230336021431 has 2 divisors, whose sum is σ = 230336021432. Its totient is φ = 230336021430.

The previous prime is 230336021387. The next prime is 230336021479. The reversal of 230336021431 is 134120633032.

230336021431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230336021431 - 213 = 230336013239 is a prime.

It is a super-2 number, since 2×2303360214312 (a number of 24 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 230336021431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230336021231) 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, 115168010715 + 115168010716.

It is an arithmetic number, because the mean of its divisors is an integer number (115168010716).

Almost surely, 2230336021431 is an apocalyptic number.

230336021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

230336021431 is an equidigital number, since it uses as much as digits as its factorization.

230336021431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 230336021431 its reverse (134120633032), we get a palindrome (364456654463).

The spelling of 230336021431 in words is "two hundred thirty billion, three hundred thirty-six million, twenty-one thousand, four hundred thirty-one".