Search a number
-
+
2431312033 is a prime number
BaseRepresentation
bin1001000011101010…
…1110000010100001
320021102221110002211
42100322232002201
514434403441113
61041131242121
7114151545163
oct22072560241
96242843084
102431312033
111038459797
1257a2a9341
132c992cb97
14190c90933
15e36adb3d
hex90eae0a1

2431312033 has 2 divisors, whose sum is σ = 2431312034. Its totient is φ = 2431312032.

The previous prime is 2431312031. The next prime is 2431312043. The reversal of 2431312033 is 3302131342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1809906849 + 621405184 = 42543^2 + 24928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431312033 - 21 = 2431312031 is a prime.

It is a super-2 number, since 2×24313120332 = 11822556403621186178, which contains 22 as substring.

Together with 2431312031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2431311995 and 2431312013.

It is not a weakly prime, because it can be changed into another prime (2431312031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215656016 + 1215656017.

It is an arithmetic number, because the mean of its divisors is an integer number (1215656017).

Almost surely, 22431312033 is an apocalyptic number.

It is an amenable number.

2431312033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431312033 is an equidigital number, since it uses as much as digits as its factorization.

2431312033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2431312033 is about 49308.3363438679. The cubic root of 2431312033 is about 1344.6633454902.

Adding to 2431312033 its reverse (3302131342), we get a palindrome (5733443375).

The spelling of 2431312033 in words is "two billion, four hundred thirty-one million, three hundred twelve thousand, thirty-three".