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231054347 is a prime number
BaseRepresentation
bin11011100010110…
…01110000001011
3121002202202222102
431301121300023
5433122214342
634532144015
75503633556
oct1561316013
9532682872
10231054347
11109473607
126546800b
1338b3b164
142298769d
1515440832
hexdc59c0b

231054347 has 2 divisors, whose sum is σ = 231054348. Its totient is φ = 231054346.

The previous prime is 231054337. The next prime is 231054349. The reversal of 231054347 is 743450132.

It is a happy number.

231054347 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 231054347 - 24 = 231054331 is a prime.

It is a super-2 number, since 2×2310543472 = 106772222535192818, which contains 22 as substring.

Together with 231054349, 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 (231054349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115527173 + 115527174.

It is an arithmetic number, because the mean of its divisors is an integer number (115527174).

Almost surely, 2231054347 is an apocalyptic number.

231054347 is a deficient number, since it is larger than the sum of its proper divisors (1).

231054347 is an equidigital number, since it uses as much as digits as its factorization.

231054347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 231054347 is about 15200.4719334631. The cubic root of 231054347 is about 613.6273587951.

The spelling of 231054347 in words is "two hundred thirty-one million, fifty-four thousand, three hundred forty-seven".