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230312220131230 = 2568987933384437
BaseRepresentation
bin110100010111011110111110…
…000100010111111110011110
31010012110122002121120211102121
4310113132332010113332132
5220141413411323144410
62133455550121413154
766340336342234216
oct6427367604277636
91105418077524377
10230312220131230
1167425956045106
12219b807463a1ba
139b684701768c3
1440c3257073246
151b95e3927b9da
hexd177be117f9e

230312220131230 has 16 divisors (see below), whose sum is σ = 414562609573920. Its totient is φ = 92124751755232.

The previous prime is 230312220131207. The next prime is 230312220131251. The reversal of 230312220131230 is 32131022213032.

It is a super-2 number, since 2×2303122201312302 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230312220131195 and 230312220131204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9793429 + ... + 23591008.

It is an arithmetic number, because the mean of its divisors is an integer number (25910163098370).

Almost surely, 2230312220131230 is an apocalyptic number.

230312220131230 is a deficient number, since it is larger than the sum of its proper divisors (184250389442690).

230312220131230 is a wasteful number, since it uses less digits than its factorization.

230312220131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34074323.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 230312220131230 its reverse (32131022213032), we get a palindrome (262443242344262).

The spelling of 230312220131230 in words is "two hundred thirty trillion, three hundred twelve billion, two hundred twenty million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 689879 1379758 3449395 6898790 33384437 66768874 166922185 333844370 23031222013123 46062444026246 115156110065615 230312220131230