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212103030131 = 1092789369763
BaseRepresentation
bin1100010110001001010…
…0110110010101110011
3202021110211021022121122
43011202110312111303
511433341333431011
6241234440012455
721216053003066
oct3054224662563
9667424238548
10212103030131
1181a526a3943
1235134a6112b
1317002918775
14a3a167c8dd
1557b5c973db
hex3162536573

212103030131 has 8 divisors (see below), whose sum is σ = 214059671760. Its totient is φ = 210146584032.

The previous prime is 212103030119. The next prime is 212103030151. The reversal of 212103030131 is 131030301212.

212103030131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212103030131 - 26 = 212103030067 is a prime.

It is a super-2 number, since 2×2121030301312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212103030151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3005456 + ... + 3075218.

It is an arithmetic number, because the mean of its divisors is an integer number (26757458970).

Almost surely, 2212103030131 is an apocalyptic number.

212103030131 is a deficient number, since it is larger than the sum of its proper divisors (1956641629).

212103030131 is a wasteful number, since it uses less digits than its factorization.

212103030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97765.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 212103030131 its reverse (131030301212), we get a palindrome (343133331343).

The spelling of 212103030131 in words is "two hundred twelve billion, one hundred three million, thirty thousand, one hundred thirty-one".

Divisors: 1 109 27893 69763 3040337 7604167 1945899359 212103030131