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231012002011 = 71071392218901
BaseRepresentation
bin1101011100100101100…
…0110110100011011011
3211002021121211121122111
43113021120312203123
512241103033031021
6254043032533151
722455456422020
oct3271130664333
9732247747574
10231012002011
1189a7628632a
12389315511b7
1318a2726431b
14b276abd547
156020d508e1
hex35c96368db

231012002011 has 16 divisors (see below), whose sum is σ = 268398385920. Its totient is φ = 194748415200.

The previous prime is 231012002009. The next prime is 231012002017. The reversal of 231012002011 is 110200210132.

It is a cyclic number.

It is not a de Polignac number, because 231012002011 - 21 = 231012002009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231012001982 and 231012002000.

It is not an unprimeable number, because it can be changed into a prime (231012002017) 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, 1005340 + ... + 1213561.

It is an arithmetic number, because the mean of its divisors is an integer number (16774899120).

Almost surely, 2231012002011 is an apocalyptic number.

231012002011 is a deficient number, since it is larger than the sum of its proper divisors (37386383909).

231012002011 is a wasteful number, since it uses less digits than its factorization.

231012002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219154.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 231012002011 its reverse (110200210132), we get a palindrome (341212212143).

The spelling of 231012002011 in words is "two hundred thirty-one billion, twelve million, two thousand, eleven".

Divisors: 1 7 107 139 749 973 14873 104111 2218901 15532307 237422407 308427239 1661956849 2158990673 33001714573 231012002011