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313243240001 = 1312391169771
BaseRepresentation
bin1001000111011101100…
…00001000011001000001
31002221112110102022202112
410203232300020121001
520113010232140001
6355522453425105
731426313415446
oct4435660103101
91087473368675
10313243240001
1111093370854a
125086063b195
13237007170b3
1411237d079cd
15823515bcbb
hex48eec08641

313243240001 has 4 divisors (see below), whose sum is σ = 315634409904. Its totient is φ = 310852070100.

The previous prime is 313243239979. The next prime is 313243240003. The reversal of 313243240001 is 100042342313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100042342313 = 212946990297.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313243240001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313243240003) 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, 1195584755 + ... + 1195585016.

It is an arithmetic number, because the mean of its divisors is an integer number (78908602476).

Almost surely, 2313243240001 is an apocalyptic number.

It is an amenable number.

313243240001 is a deficient number, since it is larger than the sum of its proper divisors (2391169903).

313243240001 is a wasteful number, since it uses less digits than its factorization.

313243240001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391169902.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 313243240001 its reverse (100042342313), we get a palindrome (413285582314).

The spelling of 313243240001 in words is "three hundred thirteen billion, two hundred forty-three million, two hundred forty thousand, one".

Divisors: 1 131 2391169771 313243240001