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302130112313 = 2331296695761
BaseRepresentation
bin1000110010110000101…
…10111010011100111001
31001212211222002221111202
410121120112322130321
514422230302043223
6350444024503545
730554031403331
oct4313026723471
91055758087452
10302130112313
111071506321a7
124a67a91abb5
132264c2308b3
14108a1dca0c1
157cd46c3428
hex46585ba739

302130112313 has 4 divisors (see below), whose sum is σ = 303426808308. Its totient is φ = 300833416320.

The previous prime is 302130112309. The next prime is 302130112331. The reversal of 302130112313 is 313211031203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148557826624 + 153572285689 = 385432^2 + 391883^2 .

It is a cyclic number.

It is not a de Polignac number, because 302130112313 - 22 = 302130112309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (302130112303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648347648 + ... + 648348113.

It is an arithmetic number, because the mean of its divisors is an integer number (75856702077).

Almost surely, 2302130112313 is an apocalyptic number.

It is an amenable number.

302130112313 is a deficient number, since it is larger than the sum of its proper divisors (1296695995).

302130112313 is a wasteful number, since it uses less digits than its factorization.

302130112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296695994.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 302130112313 its reverse (313211031203), we get a palindrome (615341143516).

The spelling of 302130112313 in words is "three hundred two billion, one hundred thirty million, one hundred twelve thousand, three hundred thirteen".

Divisors: 1 233 1296695761 302130112313