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101240231 is a prime number
BaseRepresentation
bin1100000100011…
…00110110100111
321001111112111012
412002030312213
5201404141411
614013532435
72336346011
oct602146647
9231445435
10101240231
1152169314
1229aa411b
1317c89181
14d6351b1
158d4c18b
hex608cda7

101240231 has 2 divisors, whose sum is σ = 101240232. Its totient is φ = 101240230.

The previous prime is 101240207. The next prime is 101240239. The reversal of 101240231 is 132042101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101240231 - 214 = 101223847 is a prime.

It is a super-2 number, since 2×1012402312 = 20499168745866722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101240239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50620115 + 50620116.

It is an arithmetic number, because the mean of its divisors is an integer number (50620116).

Almost surely, 2101240231 is an apocalyptic number.

101240231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101240231 is an equidigital number, since it uses as much as digits as its factorization.

101240231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101240231 is about 10061.8204615268. The cubic root of 101240231 is about 466.0698855076.

Adding to 101240231 its reverse (132042101), we get a palindrome (233282332).

The spelling of 101240231 in words is "one hundred one million, two hundred forty thousand, two hundred thirty-one".