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331330130330 = 2568694823557
BaseRepresentation
bin1001101001001001101…
…00001001000110011010
31011200012222002112220112
410310210310021012122
520412031003132310
6412113322324322
732636445432233
oct4644464110632
91150188075815
10331330130330
111185752479a1
12542699596a2
132532394b074
14120720b208a
158942e7a705
hex4d24d0919a

331330130330 has 16 divisors (see below), whose sum is σ = 596481182280. Its totient is φ = 132512730432.

The previous prime is 331330130269. The next prime is 331330130333. The reversal of 331330130330 is 33031033133.

It can be written as a sum of positive squares in 4 ways, for example, as 199213146889 + 132116983441 = 446333^2 + 363479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331330130296 and 331330130305.

It is not an unprimeable number, because it can be changed into a prime (331330130333) 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, 2343089 + ... + 2480468.

Almost surely, 2331330130330 is an apocalyptic number.

331330130330 is a deficient number, since it is larger than the sum of its proper divisors (265151051950).

331330130330 is a wasteful number, since it uses less digits than its factorization.

331330130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830433.

The product of its (nonzero) digits is 2187, while the sum is 23.

Adding to 331330130330 its reverse (33031033133), we get a palindrome (364361163463).

The spelling of 331330130330 in words is "three hundred thirty-one billion, three hundred thirty million, one hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 6869 13738 34345 68690 4823557 9647114 24117785 48235570 33133013033 66266026066 165665065165 331330130330