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97106231 is a prime number
BaseRepresentation
bin1011100100110…
…11100100110111
320202201111201002
411302123210313
5144324344411
613345153515
72256250355
oct562334467
9222644632
1097106231
114a8a5392
122862b89b
131716c611
14cc7a7d5
1587d233b
hex5c9b937

97106231 has 2 divisors, whose sum is σ = 97106232. Its totient is φ = 97106230.

The previous prime is 97106197. The next prime is 97106267. The reversal of 97106231 is 13260179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97106231 - 214 = 97089847 is a prime.

It is a super-2 number, since 2×971062312 = 18859240198050722, which contains 22 as substring.

It is equal to p5604338 and since 97106231 and 5604338 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 97106194 and 97106203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97106281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48553115 + 48553116.

It is an arithmetic number, because the mean of its divisors is an integer number (48553116).

Almost surely, 297106231 is an apocalyptic number.

97106231 is a deficient number, since it is larger than the sum of its proper divisors (1).

97106231 is an equidigital number, since it uses as much as digits as its factorization.

97106231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 97106231 is about 9854.2493879544. The cubic root of 97106231 is about 459.6377598721.

The spelling of 97106231 in words is "ninety-seven million, one hundred six thousand, two hundred thirty-one".