Search a number
-
+
231221233323033 = 3218933520474327
BaseRepresentation
bin110100100100101101100011…
…011110100000110000011001
31010022200112102022021111102120
4310210231203132200300121
5220301312041212314113
62135433322421051453
766463116466000662
oct6444554336406031
91108615368244376
10231221233323033
1167746413316348
1221b24283256b89
139c030b80515a5
14411524b506369
151bae8dcbdda23
hexd24b637a0c19

231221233323033 has 8 divisors (see below), whose sum is σ = 308309059748928. Its totient is φ = 154140447889584.

The previous prime is 231221233323013. The next prime is 231221233323083. The reversal of 231221233323033 is 330323332122132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231221233323033 - 28 = 231221233322777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231221233322985 and 231221233323003.

It is not an unprimeable number, because it can be changed into a prime (231221233323013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760171485 + ... + 1760302842.

It is an arithmetic number, because the mean of its divisors is an integer number (38538632468616).

Almost surely, 2231221233323033 is an apocalyptic number.

It is an amenable number.

231221233323033 is a deficient number, since it is larger than the sum of its proper divisors (77087826425895).

231221233323033 is a wasteful number, since it uses less digits than its factorization.

231221233323033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520496223.

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 231221233323033 its reverse (330323332122132), we get a palindrome (561544565445165).

The spelling of 231221233323033 in words is "two hundred thirty-one trillion, two hundred twenty-one billion, two hundred thirty-three million, three hundred twenty-three thousand, thirty-three".

Divisors: 1 3 21893 65679 3520474327 10561422981 77073744441011 231221233323033