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231132213211002 = 23713131733430929
BaseRepresentation
bin110100100011011010101001…
…011101101110111101111010
31010022101000122100020020220020
4310203122221131232331322
5220243332233040223002
62135324401203111310
766453515465351445
oct6443325135567572
91108330570206806
10231132213211002
1167711691831624
1221b0ab7a672536
139bc789c24709c
144110c047dc65c
151bac42c8be2bc
hexd236a976ef7a

231132213211002 has 32 divisors (see below), whose sum is σ = 470272877585280. Its totient is φ = 75716262935040.

The previous prime is 231132213210973. The next prime is 231132213211021. The reversal of 231132213211002 is 200112312231132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866582127 + ... + 866848802.

It is an arithmetic number, because the mean of its divisors is an integer number (14696027424540).

Almost surely, 2231132213211002 is an apocalyptic number.

231132213211002 is an abundant number, since it is smaller than the sum of its proper divisors (239140664374278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231132213211002 is a wasteful number, since it uses less digits than its factorization.

231132213211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733431318.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 231132213211002 its reverse (200112312231132), we get a palindrome (431244525442134).

The spelling of 231132213211002 in words is "two hundred thirty-one trillion, one hundred thirty-two billion, two hundred thirteen million, two hundred eleven thousand, two".

Divisors: 1 2 3 6 71 142 213 313 426 626 939 1878 22223 44446 66669 133338 1733430929 3466861858 5200292787 10400585574 123073595959 246147191918 369220787877 542563880777 738441575754 1085127761554 1627691642331 3255383284662 38522035535167 77044071070334 115566106605501 231132213211002