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123100300231313 = 379332454600641
BaseRepresentation
bin11011111111010110000101…
…101010101100001010010001
3121010212021101120121222120112
4123333112011222230022101
5112113333403324400223
61113451255222251105
734633463124301556
oct3377260552541221
9533767346558515
10123100300231313
11362505a9298239
12119817b5586a95
13538c401a18472
14225812cc1aa2d
15e371c463b778
hex6ff585aac291

123100300231313 has 4 divisors (see below), whose sum is σ = 123132754835748. Its totient is φ = 123067845626880.

The previous prime is 123100300231309. The next prime is 123100300231339. The reversal of 123100300231313 is 313132003001321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17864544862609 + 105235755368704 = 4226647^2 + 10258448^2 .

It is a cyclic number.

It is not a de Polignac number, because 123100300231313 - 22 = 123100300231309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123100300231303) 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, 16227296528 + ... + 16227304113.

It is an arithmetic number, because the mean of its divisors is an integer number (30783188708937).

Almost surely, 2123100300231313 is an apocalyptic number.

It is an amenable number.

123100300231313 is a deficient number, since it is larger than the sum of its proper divisors (32454604435).

123100300231313 is an equidigital number, since it uses as much as digits as its factorization.

123100300231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32454604434.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 123100300231313 its reverse (313132003001321), we get a palindrome (436232303232634).

The spelling of 123100300231313 in words is "one hundred twenty-three trillion, one hundred billion, three hundred million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 3793 32454600641 123100300231313