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231044417 is a prime number
BaseRepresentation
bin11011100010101…
…11010101000001
3121002202021100122
431301113111001
5433121410132
634532030025
75503562612
oct1561272501
9532667318
10231044417
111094670aa
1265462315
1338b36796
1422983c09
151543c912
hexdc57541

231044417 has 2 divisors, whose sum is σ = 231044418. Its totient is φ = 231044416.

The previous prime is 231044377. The next prime is 231044419. The reversal of 231044417 is 714440132.

231044417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182547121 + 48497296 = 13511^2 + 6964^2 .

It is a cyclic number.

It is not a de Polignac number, because 231044417 - 214 = 231028033 is a prime.

Together with 231044419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231044419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115522208 + 115522209.

It is an arithmetic number, because the mean of its divisors is an integer number (115522209).

Almost surely, 2231044417 is an apocalyptic number.

It is an amenable number.

231044417 is a deficient number, since it is larger than the sum of its proper divisors (1).

231044417 is an equidigital number, since it uses as much as digits as its factorization.

231044417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 231044417 is about 15200.1452953582. The cubic root of 231044417 is about 613.6185680682.

Adding to 231044417 its reverse (714440132), we get a palindrome (945484549).

The spelling of 231044417 in words is "two hundred thirty-one million, forty-four thousand, four hundred seventeen".