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12030431033 is a prime number
BaseRepresentation
bin10110011010001000…
…11100111100111001
31011001102101012212202
423031010130330321
5144114242243113
65305433515545
7604060655645
oct131504347471
934042335782
1012030431033
115113956995
1223b8b72bb5
13119955aa5a
14821a9dc25
154a6282258
hex2cd11cf39

12030431033 has 2 divisors, whose sum is σ = 12030431034. Its totient is φ = 12030431032.

The previous prime is 12030431029. The next prime is 12030431047. The reversal of 12030431033 is 33013403021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9640883344 + 2389547689 = 98188^2 + 48883^2 .

It is an emirp because it is prime and its reverse (33013403021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12030431033 - 22 = 12030431029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12030430996 and 12030431014.

It is not a weakly prime, because it can be changed into another prime (12030430033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015215516 + 6015215517.

It is an arithmetic number, because the mean of its divisors is an integer number (6015215517).

Almost surely, 212030431033 is an apocalyptic number.

It is an amenable number.

12030431033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030431033 is an equidigital number, since it uses as much as digits as its factorization.

12030431033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12030431033 its reverse (33013403021), we get a palindrome (45043834054).

The spelling of 12030431033 in words is "twelve billion, thirty million, four hundred thirty-one thousand, thirty-three".