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127338331 is a prime number
BaseRepresentation
bin1111001011100…
…00011101011011
322212121110100111
413211300131123
5230044311311
620345145151
73104233531
oct745603533
9285543314
10127338331
116597419a
123678b1b7
13204c6133
1412caa151
15b2a4d21
hex797075b

127338331 has 2 divisors, whose sum is σ = 127338332. Its totient is φ = 127338330.

The previous prime is 127338319. The next prime is 127338433. The reversal of 127338331 is 133833721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127338331 - 219 = 126814043 is a prime.

It is a super-2 number, since 2×1273383312 = 32430101083731122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127338293 and 127338302.

It is not a weakly prime, because it can be changed into another prime (127338301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63669165 + 63669166.

It is an arithmetic number, because the mean of its divisors is an integer number (63669166).

Almost surely, 2127338331 is an apocalyptic number.

127338331 is a deficient number, since it is larger than the sum of its proper divisors (1).

127338331 is an equidigital number, since it uses as much as digits as its factorization.

127338331 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 127338331 is about 11284.4286962167. The cubic root of 127338331 is about 503.0985331859.

The spelling of 127338331 in words is "one hundred twenty-seven million, three hundred thirty-eight thousand, three hundred thirty-one".