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331000121230311 = 3138487182595649
BaseRepresentation
bin100101101000010101111100…
…0101001011000001111100111
31121101222022011120011220112210
41023100223320221120033213
5321341101222013332221
63131551205000214503
7126501653366312421
oct11320537051301747
91541868146156483
10331000121230311
11965153aa308605
123115a05aa6a433
131129023cc777c0
145ba46c4385811
152840115849276
hex12d0af8a583e7

331000121230311 has 8 divisors (see below), whose sum is σ = 475282225356400. Its totient is φ = 203692382295552.

The previous prime is 331000121230297. The next prime is 331000121230327. The reversal of 331000121230311 is 113032121000133.

It is a happy number.

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

It is not a de Polignac number, because 331000121230311 - 219 = 331000120706023 is a prime.

It is a super-2 number, since 2×3310001212303112 (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 (331000121230111) 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, 4243591297786 + ... + 4243591297863.

It is an arithmetic number, because the mean of its divisors is an integer number (59410278169550).

Almost surely, 2331000121230311 is an apocalyptic number.

331000121230311 is a deficient number, since it is larger than the sum of its proper divisors (144282104126089).

331000121230311 is a wasteful number, since it uses less digits than its factorization.

331000121230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487182595665.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 331000121230311 its reverse (113032121000133), we get a palindrome (444032242230444).

The spelling of 331000121230311 in words is "three hundred thirty-one trillion, one hundred twenty-one million, two hundred thirty thousand, three hundred eleven".

Divisors: 1 3 13 39 8487182595649 25461547786947 110333373743437 331000121230311