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30302020112231 = 72618408573719
BaseRepresentation
bin1101110001111001111010…
…01001010000111101100111
310222021211210212211010020202
412320330331021100331213
512432432014122042411
6144240320022221115
76245151210110600
oct670747511207547
9128254725733222
1030302020112231
11972301842159a
12349489928479b
1313ba61193772a
1476a8a8900da7
153783599be83b
hex1b8f3d250f67

30302020112231 has 6 divisors (see below), whose sum is σ = 35249288702040. Its totient is φ = 25973160096156.

The previous prime is 30302020112191. The next prime is 30302020112251. The reversal of 30302020112231 is 13221102020303.

It is not a de Polignac number, because 30302020112231 - 218 = 30302019850087 is a prime.

It is a super-2 number, since 2×303020201122312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302020112251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309204286811 + ... + 309204286908.

It is an arithmetic number, because the mean of its divisors is an integer number (5874881450340).

Almost surely, 230302020112231 is an apocalyptic number.

30302020112231 is a deficient number, since it is larger than the sum of its proper divisors (4947268589809).

30302020112231 is an equidigital number, since it uses as much as digits as its factorization.

30302020112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618408573733 (or 618408573726 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30302020112231 its reverse (13221102020303), we get a palindrome (43523122132534).

The spelling of 30302020112231 in words is "thirty trillion, three hundred two billion, twenty million, one hundred twelve thousand, two hundred thirty-one".

Divisors: 1 7 49 618408573719 4328860016033 30302020112231