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12314431 is a prime number
BaseRepresentation
bin101110111110…
…011100111111
3212011122020001
4232332130333
511123030211
61115535131
7206446063
oct56763477
925148201
1012314431
116a51018
12415a4a7
13272215c
1418c7aa3
151133ac1
hexbbe73f

12314431 has 2 divisors, whose sum is σ = 12314432. Its totient is φ = 12314430.

The previous prime is 12314429. The next prime is 12314459. The reversal of 12314431 is 13441321.

12314431 is digitally balanced in base 3, 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 12314431 - 21 = 12314429 is a prime.

It is a super-2 number, since 2×123144312 = 303290421707522, which contains 22 as substring.

Together with 12314429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12314399 and 12314408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12314231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157215 + 6157216.

It is an arithmetic number, because the mean of its divisors is an integer number (6157216).

Almost surely, 212314431 is an apocalyptic number.

12314431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12314431 is an equidigital number, since it uses as much as digits as its factorization.

12314431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 12314431 is about 3509.1923572241. The cubic root of 12314431 is about 230.9252645799.

Adding to 12314431 its reverse (13441321), we get a palindrome (25755752).

The spelling of 12314431 in words is "twelve million, three hundred fourteen thousand, four hundred thirty-one".