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30231223231223 = 74318746175889
BaseRepresentation
bin1101101111110110000010…
…10100100110001011110111
310222001002001220222221010202
412313323001110212023313
512430302021121344343
6144144010543311115
76240063615414650
oct667730124461367
9128032056887122
1030231223231223
1196a5a98429a83
12348301b5ab49b
1313b3a3b38ca71
147672b0132527
153765b4450db8
hex1b7ec15262f7

30231223231223 has 4 divisors (see below), whose sum is σ = 34549969407120. Its totient is φ = 25912477055328.

The previous prime is 30231223231213. The next prime is 30231223231241. The reversal of 30231223231223 is 32213232213203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30231223231223 - 240 = 29131711603447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231223231213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159373087938 + ... + 2159373087951.

It is an arithmetic number, because the mean of its divisors is an integer number (8637492351780).

Almost surely, 230231223231223 is an apocalyptic number.

30231223231223 is a deficient number, since it is larger than the sum of its proper divisors (4318746175897).

30231223231223 is an equidigital number, since it uses as much as digits as its factorization.

30231223231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318746175896.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 30231223231223 its reverse (32213232213203), we get a palindrome (62444455444426).

The spelling of 30231223231223 in words is "thirty trillion, two hundred thirty-one billion, two hundred twenty-three million, two hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 7 4318746175889 30231223231223