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230102313213 = 31759261729221
BaseRepresentation
bin1101011001001100101…
…0101010100011111101
3210222221020002122012210
43112103022222203331
512232222143010323
6253412455051033
722424102251053
oct3262312524375
9728836078183
10230102313213
1189649836703
1238718970a79
1318910957926
14b1cbd601d3
155ebb05d293
hex35932aa8fd

230102313213 has 32 divisors (see below), whose sum is σ = 330493806720. Its totient is φ = 141871749120.

The previous prime is 230102313191. The next prime is 230102313227. The reversal of 230102313213 is 312313201032.

It is not a de Polignac number, because 230102313213 - 26 = 230102313149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230102313213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230102313313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7859943 + ... + 7889163.

It is an arithmetic number, because the mean of its divisors is an integer number (10327931460).

Almost surely, 2230102313213 is an apocalyptic number.

It is an amenable number.

230102313213 is a deficient number, since it is larger than the sum of its proper divisors (100391493507).

230102313213 is a wasteful number, since it uses less digits than its factorization.

230102313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31917.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 230102313213 its reverse (312313201032), we get a palindrome (542415514245).

The spelling of 230102313213 in words is "two hundred thirty billion, one hundred two million, three hundred thirteen thousand, two hundred thirteen".

Divisors: 1 3 17 51 59 177 1003 2617 3009 7851 29221 44489 87663 133467 154403 463209 496757 1490271 1724039 2624851 5172117 7874553 29308663 76471357 87925989 229414071 1300013069 3900039207 4511810063 13535430189 76700771071 230102313213