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12301322231 = 112348621827
BaseRepresentation
bin10110111010011011…
…10100011111110111
31011202022002220202002
423131031310133313
5200143114302411
65352352005515
7613560341132
oct133515643767
934668086662
1012301322231
115242859510
12247383089b
1312107063c3
14849a57219
154bee4133b
hex2dd3747f7

12301322231 has 8 divisors (see below), whose sum is σ = 14003086464. Its totient is φ = 10696801720.

The previous prime is 12301322221. The next prime is 12301322249. The reversal of 12301322231 is 13222310321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-12301322231 is a prime.

It is a super-2 number, since 2×123013222312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301322221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24310661 + ... + 24311166.

It is an arithmetic number, because the mean of its divisors is an integer number (1750385808).

Almost surely, 212301322231 is an apocalyptic number.

12301322231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12301322231 is a deficient number, since it is larger than the sum of its proper divisors (1701764233).

12301322231 is a wasteful number, since it uses less digits than its factorization.

12301322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48621861.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12301322231 its reverse (13222310321), we get a palindrome (25523632552).

The spelling of 12301322231 in words is "twelve billion, three hundred one million, three hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 11 23 253 48621827 534840097 1118302021 12301322231