Search a number
-
+
231243312334 = 2235027028529
BaseRepresentation
bin1101011101011100101…
…1001110110011001110
3211002212202002101202111
43113113023032303032
512242041241443314
6254122014414234
722464265503106
oct3272713166316
9732782071674
10231243312334
118a084904191
1238996b0137a
1318a63161b38
14b2996d2206
1560362e1ec4
hex35d72cecce

231243312334 has 8 divisors (see below), whose sum is σ = 361946054160. Its totient is φ = 110594627616.

The previous prime is 231243312317. The next prime is 231243312397. The reversal of 231243312334 is 433213342132.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 231243312296 and 231243312305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513514219 + ... + 2513514310.

It is an arithmetic number, because the mean of its divisors is an integer number (45243256770).

Almost surely, 2231243312334 is an apocalyptic number.

231243312334 is a deficient number, since it is larger than the sum of its proper divisors (130702741826).

231243312334 is a wasteful number, since it uses less digits than its factorization.

231243312334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027028554.

The product of its digits is 31104, while the sum is 31.

Adding to 231243312334 its reverse (433213342132), we get a palindrome (664456654466).

The spelling of 231243312334 in words is "two hundred thirty-one billion, two hundred forty-three million, three hundred twelve thousand, three hundred thirty-four".

Divisors: 1 2 23 46 5027028529 10054057058 115621656167 231243312334