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30120312332311 = 232657349282309
BaseRepresentation
bin1101101100100111011101…
…00001000110000000010111
310221122110210100120111100221
412312103232201012000113
512421442344424113221
6144021025214015211
76226056263343355
oct666235641060027
9127573710514327
1030120312332311
119662a53093053
1234656277a7507
1313a6444251726
14761b8bd967d5
153737723c7541
hex1b64ee846017

30120312332311 has 8 divisors (see below), whose sum is σ = 31431074542560. Its totient is φ = 28809648739872.

The previous prime is 30120312332287. The next prime is 30120312332333. The reversal of 30120312332311 is 11323321302103.

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 30120312332311 - 225 = 30120278777879 is a prime.

It is a super-2 number, since 2×301203123323112 (a number of 28 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 (30120312332711) 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, 24029976 + ... + 25252333.

It is an arithmetic number, because the mean of its divisors is an integer number (3928884317820).

Almost surely, 230120312332311 is an apocalyptic number.

30120312332311 is a deficient number, since it is larger than the sum of its proper divisors (1310762210249).

30120312332311 is a wasteful number, since it uses less digits than its factorization.

30120312332311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49308905.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30120312332311 its reverse (11323321302103), we get a palindrome (41443633634414).

The spelling of 30120312332311 in words is "thirty trillion, one hundred twenty billion, three hundred twelve million, three hundred thirty-two thousand, three hundred eleven".

Divisors: 1 23 26573 611179 49282309 1133493107 1309578797057 30120312332311