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231123312113333 = 499463172970167
BaseRepresentation
bin110100100011010010010110…
…111010101111011010110101
31010022100011200000020122101012
4310203102112322233122311
5220243211020400111313
62135320330033442005
766453052063311413
oct6443222672573265
91108304600218335
10231123312113333
1167708934352162
1221b092b5710305
139bc6ab1114aa3
1441105dc5b02b3
151bac0ab22bda8
hexd23496eaf6b5

231123312113333 has 4 divisors (see below), whose sum is σ = 231586485084000. Its totient is φ = 230660139142668.

The previous prime is 231123312113327. The next prime is 231123312113341. The reversal of 231123312113333 is 333311213321132.

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 231123312113333 - 210 = 231123312112309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231123312113333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231123312113933) 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, 231586484585 + ... + 231586485582.

It is an arithmetic number, because the mean of its divisors is an integer number (57896621271000).

Almost surely, 2231123312113333 is an apocalyptic number.

It is an amenable number.

231123312113333 is a deficient number, since it is larger than the sum of its proper divisors (463172970667).

231123312113333 is an equidigital number, since it uses as much as digits as its factorization.

231123312113333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463172970666.

The product of its digits is 17496, while the sum is 32.

Adding to 231123312113333 its reverse (333311213321132), we get a palindrome (564434525434465).

The spelling of 231123312113333 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, three hundred twelve million, one hundred thirteen thousand, three hundred thirty-three".

Divisors: 1 499 463172970167 231123312113333