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30312320031211 = 673637312438421
BaseRepresentation
bin1101110010001101000110…
…00100010101100111101011
310222022211101200221012212111
412321012203010111213223
512433114112411444321
6144245142041223151
76245664356014111
oct671064304254753
9128284350835774
1030312320031211
119727423465129
123496892791ab7
1313bb5937c4b4a
1476b1a4815ab1
1537875dd725e1
hex1b91a31159eb

30312320031211 has 8 divisors (see below), whose sum is σ = 30765591004304. Its totient is φ = 29859074007840.

The previous prime is 30312320031193. The next prime is 30312320031277. The reversal of 30312320031211 is 11213002321303.

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 30312320031211 - 217 = 30312319900139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312320031281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3782220 + ... + 8656201.

It is an arithmetic number, because the mean of its divisors is an integer number (3845698875538).

Almost surely, 230312320031211 is an apocalyptic number.

30312320031211 is a deficient number, since it is larger than the sum of its proper divisors (453270973093).

30312320031211 is a wasteful number, since it uses less digits than its factorization.

30312320031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12474861.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30312320031211 its reverse (11213002321303), we get a palindrome (41525322352514).

The spelling of 30312320031211 in words is "thirty trillion, three hundred twelve billion, three hundred twenty million, thirty-one thousand, two hundred eleven".

Divisors: 1 67 36373 2436991 12438421 833374207 452422687033 30312320031211