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230231202277 is a prime number
BaseRepresentation
bin1101011001101011011…
…0010101100111100101
3211000021012121212202211
43112122312111213211
512233003141433102
6253433341403421
722430225633656
oct3263266254745
9730235555684
10230231202277
118970556999a
1238753b69571
131893157484b
14b20111152d
155ec751c7d7
hex359ad959e5

230231202277 has 2 divisors, whose sum is σ = 230231202278. Its totient is φ = 230231202276.

The previous prime is 230231202263. The next prime is 230231202323. The reversal of 230231202277 is 772202132032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129161890881 + 101069311396 = 359391^2 + 317914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230231202277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230231202247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115115601138 + 115115601139.

It is an arithmetic number, because the mean of its divisors is an integer number (115115601139).

Almost surely, 2230231202277 is an apocalyptic number.

It is an amenable number.

230231202277 is a deficient number, since it is larger than the sum of its proper divisors (1).

230231202277 is an equidigital number, since it uses as much as digits as its factorization.

230231202277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The spelling of 230231202277 in words is "two hundred thirty billion, two hundred thirty-one million, two hundred two thousand, two hundred seventy-seven".