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231111212000230 = 25205861911226517
BaseRepresentation
bin110100100011000111000101…
…101100011110001111100110
31010022022000102201202012200001
4310203013011230132033212
5220243011230233001410
62135311005230211514
766452143165121632
oct6443070554361746
91108260381665601
10231111212000230
1167703795132091
1221b06a99353b9a
139bc59032ca153
14410dbb1571dc2
151babaedcd333a
hexd231c5b1e3e6

231111212000230 has 16 divisors (see below), whose sum is σ = 416000420732880. Its totient is φ = 92444431659552.

The previous prime is 231111212000191. The next prime is 231111212000243. The reversal of 231111212000230 is 32000212111132.

It is a junction number, because it is equal to n+sod(n) for n = 231111212000198 and 231111212000207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14972932 + ... + 26199448.

It is an arithmetic number, because the mean of its divisors is an integer number (26000026295805).

Almost surely, 2231111212000230 is an apocalyptic number.

231111212000230 is a deficient number, since it is larger than the sum of its proper divisors (184889208732650).

231111212000230 is a wasteful number, since it uses less digits than its factorization.

231111212000230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13285143.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231111212000230 its reverse (32000212111132), we get a palindrome (263111424111362).

The spelling of 231111212000230 in words is "two hundred thirty-one trillion, one hundred eleven billion, two hundred twelve million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 2058619 4117238 10293095 11226517 20586190 22453034 56132585 112265170 23111121200023 46222242400046 115555606000115 231111212000230