Search a number
-
+
231230200100231 = 469014930176331
BaseRepresentation
bin110100100100110101111001…
…111100000011010110000111
31010022201101120012211222022202
4310210311321330003112013
5220301433422211201411
62135441404254145115
766463554626231363
oct6444657174032607
91108641505758282
10231230200100231
116774a1a4885812
1221b25b661b219b
139c03bb696ba07
14411585c3502a3
151baec6500683b
hexd24d79f03587

231230200100231 has 4 divisors (see below), whose sum is σ = 231235130323464. Its totient is φ = 231225269877000.

The previous prime is 231230200100093. The next prime is 231230200100281. The reversal of 231230200100231 is 132001002032132.

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 231230200100231 - 218 = 231230199838087 is a prime.

It is a super-2 number, since 2×2312302001002312 (a number of 30 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 (231230200100281) 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, 2465041265 + ... + 2465135066.

It is an arithmetic number, because the mean of its divisors is an integer number (57808782580866).

Almost surely, 2231230200100231 is an apocalyptic number.

231230200100231 is a deficient number, since it is larger than the sum of its proper divisors (4930223233).

231230200100231 is an equidigital number, since it uses as much as digits as its factorization.

231230200100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930223232.

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

Adding to 231230200100231 its reverse (132001002032132), we get a palindrome (363231202132363).

The spelling of 231230200100231 in words is "two hundred thirty-one trillion, two hundred thirty billion, two hundred million, one hundred thousand, two hundred thirty-one".

Divisors: 1 46901 4930176331 231230200100231