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97324231 is a prime number
BaseRepresentation
bin1011100110100…
…00110011000111
320210010120202011
411303100303013
5144403333411
613353555051
72261146054
oct563206307
9223116664
1097324231
114aa34154
1228715a87
1317217904
14ccd602b
158826c21
hex5cd0cc7

97324231 has 2 divisors, whose sum is σ = 97324232. Its totient is φ = 97324230.

The previous prime is 97324229. The next prime is 97324237. The reversal of 97324231 is 13242379.

It is a weak prime.

It is an emirp because it is prime and its reverse (13242379) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97324231 - 21 = 97324229 is a prime.

It is a super-2 number, since 2×973242312 = 18944011879482722, which contains 22 as substring.

Together with 97324229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 97324193 and 97324202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97324237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48662115 + 48662116.

It is an arithmetic number, because the mean of its divisors is an integer number (48662116).

Almost surely, 297324231 is an apocalyptic number.

97324231 is a deficient number, since it is larger than the sum of its proper divisors (1).

97324231 is an equidigital number, since it uses as much as digits as its factorization.

97324231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 97324231 is about 9865.3044048321. The cubic root of 97324231 is about 459.9814595552.

The spelling of 97324231 in words is "ninety-seven million, three hundred twenty-four thousand, two hundred thirty-one".