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231096811 = 1125033797
BaseRepresentation
bin11011100011001…
…00000111101011
3121002211221020011
431301210013223
5433130044221
634533112351
75504201431
oct1561440753
9532757204
10231096811
111094a2500
12654886b7
1338b5459a
1422998d51
151544d1e1
hexdc641eb

231096811 has 12 divisors (see below), whose sum is σ = 254587536. Its totient is φ = 209615120.

The previous prime is 231096799. The next prime is 231096823. The reversal of 231096811 is 118690132.

It is an interprime number because it is at equal distance from previous prime (231096799) and next prime (231096823).

It is not a de Polignac number, because 231096811 - 211 = 231094763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231096851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58965 + ... + 62761.

It is an arithmetic number, because the mean of its divisors is an integer number (21215628).

Almost surely, 2231096811 is an apocalyptic number.

231096811 is a deficient number, since it is larger than the sum of its proper divisors (23490725).

231096811 is a wasteful number, since it uses less digits than its factorization.

231096811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322 (or 4311 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 231096811 is about 15201.8686680289. The cubic root of 231096811 is about 613.6649480410.

The spelling of 231096811 in words is "two hundred thirty-one million, ninety-six thousand, eight hundred eleven".

Divisors: 1 11 121 503 3797 5533 41767 60863 459437 1909891 21008801 231096811