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311330133130 = 2556053555421
BaseRepresentation
bin1001000011111001011…
…10001101010010001010
31002202121010120102111111
410201330232031102022
520100101003230010
6355004553120534
731331023316422
oct4417456152212
91082533512444
10311330133130
1111004181aa95
12504079b914a
13234872747b3
14110d5bcb482
15817221058a
hex487cb8d48a

311330133130 has 16 divisors (see below), whose sum is σ = 560405246184. Its totient is φ = 124529607360.

The previous prime is 311330133091. The next prime is 311330133193. The reversal of 311330133130 is 31331033113.

It can be written as a sum of positive squares in 4 ways, for example, as 221527424889 + 89802708241 = 470667^2 + 299671^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282820 + ... + 838240.

Almost surely, 2311330133130 is an apocalyptic number.

311330133130 is a deficient number, since it is larger than the sum of its proper divisors (249075113054).

311330133130 is a wasteful number, since it uses less digits than its factorization.

311330133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611481.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 311330133130 its reverse (31331033113), we get a palindrome (342661166243).

The spelling of 311330133130 in words is "three hundred eleven billion, three hundred thirty million, one hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 56053 112106 280265 555421 560530 1110842 2777105 5554210 31133013313 62266026626 155665066565 311330133130