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12431033 is a prime number
BaseRepresentation
bin101111011010…
…111010111001
3212101120011122
4233122322321
511140243113
61122235025
7210443036
oct57327271
925346148
1012431033
11702068a
1241b5a75
132763254
14191838d
151158408
hexbdaeb9

12431033 has 2 divisors, whose sum is σ = 12431034. Its totient is φ = 12431032.

The previous prime is 12430963. The next prime is 12431057. The reversal of 12431033 is 33013421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10156969 + 2274064 = 3187^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 12431033 - 222 = 8236729 is a prime.

It is a super-3 number, since 3×124310333 (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12431533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215516 + 6215517.

It is an arithmetic number, because the mean of its divisors is an integer number (6215517).

Almost surely, 212431033 is an apocalyptic number.

It is an amenable number.

12431033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431033 is an equidigital number, since it uses as much as digits as its factorization.

12431033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 12431033 is about 3525.7670087514. The cubic root of 12431033 is about 231.6518323461.

Adding to 12431033 its reverse (33013421), we get a palindrome (45444454).

The spelling of 12431033 in words is "twelve million, four hundred thirty-one thousand, thirty-three".