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12312301013 = 13998800787
BaseRepresentation
bin10110111011101111…
…01100110111010101
31011210001202200210122
423131313230313111
5200203422113023
65353423201325
7614052555215
oct133567546725
934701680718
1012312301013
115248a77a91
122477446245
131212a7b61c
1484b2b4245
154c0dae2c8
hex2dddecdd5

12312301013 has 4 divisors (see below), whose sum is σ = 12321103200. Its totient is φ = 12303498828.

The previous prime is 12312300991. The next prime is 12312301063. The reversal of 12312301013 is 31010321321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12312301013 - 28 = 12312300757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12312300982 and 12312301000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312301063) 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, 4398995 + ... + 4401792.

It is an arithmetic number, because the mean of its divisors is an integer number (3080275800).

Almost surely, 212312301013 is an apocalyptic number.

It is an amenable number.

12312301013 is a deficient number, since it is larger than the sum of its proper divisors (8802187).

12312301013 is an equidigital number, since it uses as much as digits as its factorization.

12312301013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8802186.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12312301013 its reverse (31010321321), we get a palindrome (43322622334).

The spelling of 12312301013 in words is "twelve billion, three hundred twelve million, three hundred one thousand, thirteen".

Divisors: 1 1399 8800787 12312301013