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12310001101231 = 56321865010837
BaseRepresentation
bin1011001100100010010100…
…1111100010100110101111
31121120211021010211201021021
42303020211033202212233
53103141340240214411
642103045245315011
72410240205624401
oct263104517424657
947524233751237
1012310001101231
113a16707778519
121469916565a67
136b3a9c502c72
14307b4308cb71
15165328608a71
hexb32253e29af

12310001101231 has 4 divisors (see below), whose sum is σ = 12331866112632. Its totient is φ = 12288136089832.

The previous prime is 12310001101193. The next prime is 12310001101241. The reversal of 12310001101231 is 13210110001321.

It is a happy number.

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 12310001101231 - 231 = 12307853617583 is a prime.

It is a super-2 number, since 2×123100011012312 (a number of 27 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 (12310001101241) 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 3 ways as a sum of consecutive naturals, for example, 10932504856 + ... + 10932505981.

It is an arithmetic number, because the mean of its divisors is an integer number (3082966528158).

Almost surely, 212310001101231 is an apocalyptic number.

12310001101231 is a deficient number, since it is larger than the sum of its proper divisors (21865011401).

12310001101231 is an equidigital number, since it uses as much as digits as its factorization.

12310001101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21865011400.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12310001101231 its reverse (13210110001321), we get a palindrome (25520111102552).

The spelling of 12310001101231 in words is "twelve trillion, three hundred ten billion, one million, one hundred one thousand, two hundred thirty-one".

Divisors: 1 563 21865010837 12310001101231