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212303002331 = 7139829126317
BaseRepresentation
bin1100010110111000111…
…1101011101011011011
3202021222202112221220102
43011232033223223123
511434244032033311
6241310342050015
721224031513320
oct3055617535333
9667882487812
10212303002331
1182045567a22
123518ba1990b
1317035193204
14a3c0054b47
1557c85e843b
hex316e3ebadb

212303002331 has 16 divisors (see below), whose sum is σ = 244416318720. Its totient is φ = 180636181920.

The previous prime is 212303002319. The next prime is 212303002343. The reversal of 212303002331 is 133200303212.

It is an interprime number because it is at equal distance from previous prime (212303002319) and next prime (212303002343).

It is a cyclic number.

It is not a de Polignac number, because 212303002331 - 222 = 212298808027 is a prime.

It is a super-2 number, since 2×2123030023312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212303002931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8053985 + ... + 8080301.

It is an arithmetic number, because the mean of its divisors is an integer number (15276019920).

Almost surely, 2212303002331 is an apocalyptic number.

212303002331 is a deficient number, since it is larger than the sum of its proper divisors (32113316389).

212303002331 is a wasteful number, since it uses less digits than its factorization.

212303002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34754.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 212303002331 its reverse (133200303212), we get a palindrome (345503305543).

The spelling of 212303002331 in words is "two hundred twelve billion, three hundred three million, two thousand, three hundred thirty-one".

Divisors: 1 7 139 973 8291 26317 58037 184219 1152449 3658063 8067143 25606441 218194247 1527359729 30329000333 212303002331