Search a number
-
+
231011321021303 = 4318477372907533
BaseRepresentation
bin110100100001101010000011…
…101110101000001101110111
31010021221110121011020201012212
4310201222003232220031313
5220234342141140140203
62135153045200004035
766442005613610054
oct6441520356501567
91107843534221185
10231011321021303
116767539529a149
1221aab66000061b
139bb937426c324
144109016bb002b
151ba92044311d8
hexd21a83ba8377

231011321021303 has 8 divisors (see below), whose sum is σ = 236383886556048. Its totient is φ = 225638764997184.

The previous prime is 231011321021287. The next prime is 231011321021317. The reversal of 231011321021303 is 303120123110132.

231011321021303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 231011321021303 - 24 = 231011321021287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231011321021323) 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, 77998925 + ... + 80906457.

It is an arithmetic number, because the mean of its divisors is an integer number (29547985819506).

Almost surely, 2231011321021303 is an apocalyptic number.

231011321021303 is a deficient number, since it is larger than the sum of its proper divisors (5372565534745).

231011321021303 is a wasteful number, since it uses less digits than its factorization.

231011321021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755313.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231011321021303 its reverse (303120123110132), we get a palindrome (534131444131435).

The spelling of 231011321021303 in words is "two hundred thirty-one trillion, eleven billion, three hundred twenty-one million, twenty-one thousand, three hundred three".

Divisors: 1 43 1847737 2907533 79452691 125023919 5372356302821 231011321021303