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230310212309 is a prime number
BaseRepresentation
bin1101011001111110001…
…1101111001011010101
3211000110201022000011022
43112133203233023111
512233133403243214
6253445243050525
722432205334632
oct3263743571325
9730421260138
10230310212309
1189746124341
1238776510a45
1318944a49448
14b20b7db189
155ece427d8e
hex359f8ef2d5

230310212309 has 2 divisors, whose sum is σ = 230310212310. Its totient is φ = 230310212308.

The previous prime is 230310212281. The next prime is 230310212323. The reversal of 230310212309 is 903212013032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115865352100 + 114444860209 = 340390^2 + 338297^2 .

It is a cyclic number.

It is not a de Polignac number, because 230310212309 - 28 = 230310212053 is a prime.

It is a super-2 number, since 2×2303102123092 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230310212329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115155106154 + 115155106155.

It is an arithmetic number, because the mean of its divisors is an integer number (115155106155).

Almost surely, 2230310212309 is an apocalyptic number.

It is an amenable number.

230310212309 is a deficient number, since it is larger than the sum of its proper divisors (1).

230310212309 is an equidigital number, since it uses as much as digits as its factorization.

230310212309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 230310212309 in words is "two hundred thirty billion, three hundred ten million, two hundred twelve thousand, three hundred nine".