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212330021302231 = 731396910096441
BaseRepresentation
bin110000010001110011101111…
…011111101010111111010111
31000211210112220021000100122121
4300101303233133222333113
5210312303340423132411
62031331022025240411
762503223603163160
oct6021635737527727
91024715807010577
10212330021302231
1161722724658128
121b992b92633107
1391628343c0511
143a60b83936767
1519832d00a4571
hexc11cef7eafd7

212330021302231 has 8 divisors (see below), whose sum is σ = 243438162262304. Its totient is φ = 181415700535680.

The previous prime is 212330021302199. The next prime is 212330021302253. The reversal of 212330021302231 is 132203120033212.

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 212330021302231 - 25 = 212330021302199 is a prime.

It is a super-2 number, since 2×2123300213022312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212330021302196 and 212330021302205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330021302261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48455046030 + ... + 48455050411.

It is an arithmetic number, because the mean of its divisors is an integer number (30429770282788).

Almost surely, 2212330021302231 is an apocalyptic number.

212330021302231 is a deficient number, since it is larger than the sum of its proper divisors (31108140960073).

212330021302231 is an equidigital number, since it uses as much as digits as its factorization.

212330021302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96910096761.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 212330021302231 its reverse (132203120033212), we get a palindrome (344533141335443).

The spelling of 212330021302231 in words is "two hundred twelve trillion, three hundred thirty billion, twenty-one million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 7 313 2191 96910096441 678370675087 30332860186033 212330021302231