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204070231 is a prime number
BaseRepresentation
bin11000010100111…
…01110101010111
3112012222211201201
430022131311113
5404220221411
632125533331
75025365641
oct1412356527
9465884651
10204070231
11a5212a92
1258414247
1333380b21
141d161891
1512db03c1
hexc29dd57

204070231 has 2 divisors, whose sum is σ = 204070232. Its totient is φ = 204070230.

The previous prime is 204070219. The next prime is 204070267. The reversal of 204070231 is 132070402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204070231 - 219 = 203545943 is a prime.

It is a super-2 number, since 2×2040702312 = 83289318360786722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 204070199 and 204070208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204070271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102035115 + 102035116.

It is an arithmetic number, because the mean of its divisors is an integer number (102035116).

Almost surely, 2204070231 is an apocalyptic number.

204070231 is a deficient number, since it is larger than the sum of its proper divisors (1).

204070231 is an equidigital number, since it uses as much as digits as its factorization.

204070231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 204070231 is about 14285.3152222833. The cubic root of 204070231 is about 588.7440784171.

The spelling of 204070231 in words is "two hundred four million, seventy thousand, two hundred thirty-one".