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712433231 is a prime number
BaseRepresentation
bin101010011101101…
…101111001001111
31211122120100122222
4222131231321033
52424340330411
6154405525555
723440403546
oct5235557117
91748510588
10712433231
113361716a4
1217a7138bb
13b47a3633
146a89315d
154282b4db
hex2a76de4f

712433231 has 2 divisors, whose sum is σ = 712433232. Its totient is φ = 712433230.

The previous prime is 712433173. The next prime is 712433233. The reversal of 712433231 is 132334217.

It is a strong prime.

It is an emirp because it is prime and its reverse (132334217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 712433231 - 210 = 712432207 is a prime.

It is a super-2 number, since 2×7124332312 = 1015122217266198722, which contains 22 as substring.

Together with 712433233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712433231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712433233) 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, 356216615 + 356216616.

It is an arithmetic number, because the mean of its divisors is an integer number (356216616).

Almost surely, 2712433231 is an apocalyptic number.

712433231 is a deficient number, since it is larger than the sum of its proper divisors (1).

712433231 is an equidigital number, since it uses as much as digits as its factorization.

712433231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 712433231 is about 26691.4449028148. Note that the first 3 decimals coincide. The cubic root of 712433231 is about 893.1300934428.

Adding to 712433231 its reverse (132334217), we get a palindrome (844767448).

The spelling of 712433231 in words is "seven hundred twelve million, four hundred thirty-three thousand, two hundred thirty-one".