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230701391 is a prime number
BaseRepresentation
bin11011100000000…
…11100101001111
3121002002211210222
431300003211033
5433024421031
634520421555
75500633544
oct1560034517
9532084728
10230701391
11109252408
12653178bb
1338a465cb
14228d4bcb
15153c0e7b
hexdc0394f

230701391 has 2 divisors, whose sum is σ = 230701392. Its totient is φ = 230701390.

The previous prime is 230701307. The next prime is 230701399. The reversal of 230701391 is 193107032.

230701391 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 is a cyclic number.

It is not a de Polignac number, because 230701391 - 218 = 230439247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230701391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230701399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115350695 + 115350696.

It is an arithmetic number, because the mean of its divisors is an integer number (115350696).

Almost surely, 2230701391 is an apocalyptic number.

230701391 is a deficient number, since it is larger than the sum of its proper divisors (1).

230701391 is an equidigital number, since it uses as much as digits as its factorization.

230701391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 230701391 is about 15188.8574619686. The cubic root of 230701391 is about 613.3147428268.

The spelling of 230701391 in words is "two hundred thirty million, seven hundred one thousand, three hundred ninety-one".