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133114231 is a prime number
BaseRepresentation
bin1111110111100…
…10100101110111
3100021110220101201
413323302211313
5233034123411
621113033331
73204311065
oct773624567
9307426351
10133114231
1169159768
12386b5847
1321769123
1413971035
15ba463c1
hex7ef2977

133114231 has 2 divisors, whose sum is σ = 133114232. Its totient is φ = 133114230.

The previous prime is 133114229. The next prime is 133114273. The reversal of 133114231 is 132411331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133114231 - 21 = 133114229 is a prime.

It is a super-2 number, since 2×1331142312 = 35438796989442722, which contains 22 as substring.

Together with 133114229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 133114199 and 133114208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133118231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66557115 + 66557116.

It is an arithmetic number, because the mean of its divisors is an integer number (66557116).

Almost surely, 2133114231 is an apocalyptic number.

133114231 is a deficient number, since it is larger than the sum of its proper divisors (1).

133114231 is an equidigital number, since it uses as much as digits as its factorization.

133114231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 133114231 is about 11537.5140736642. The cubic root of 133114231 is about 510.5929678673.

Adding to 133114231 its reverse (132411331), we get a palindrome (265525562).

The spelling of 133114231 in words is "one hundred thirty-three million, one hundred fourteen thousand, two hundred thirty-one".