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231333000097 is a prime number
BaseRepresentation
bin1101011101110010000…
…1010111001110100001
3211010002222212000020111
43113130201113032201
512242232222000342
6254134541011321
722466435025343
oct3273441271641
9733088760214
10231333000097
118a1204a1a01
1238a00b53b41
1318a78904914
14b2a759b293
15603e10b217
hex35dc8573a1

231333000097 has 2 divisors, whose sum is σ = 231333000098. Its totient is φ = 231333000096.

The previous prime is 231333000079. The next prime is 231333000187. The reversal of 231333000097 is 790000333132.

Together with previous prime (231333000079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206989511521 + 24343488576 = 454961^2 + 156024^2 .

It is a cyclic number.

It is not a de Polignac number, because 231333000097 - 215 = 231332967329 is a prime.

It is not a weakly prime, because it can be changed into another prime (231333070097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115666500048 + 115666500049.

It is an arithmetic number, because the mean of its divisors is an integer number (115666500049).

Almost surely, 2231333000097 is an apocalyptic number.

It is an amenable number.

231333000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

231333000097 is an equidigital number, since it uses as much as digits as its factorization.

231333000097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 31.

The spelling of 231333000097 in words is "two hundred thirty-one billion, three hundred thirty-three million, ninety-seven", and thus it is an aban number.