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121031327 is a prime number
BaseRepresentation
bin1110011011011…
…00101010011111
322102202000202202
413031230222133
5221441000302
620002042115
72666515004
oct715545237
9272660682
10121031327
116235669a
123464933b
131c0c8491
14121078ab
15a95b202
hex736ca9f

121031327 has 2 divisors, whose sum is σ = 121031328. Its totient is φ = 121031326.

The previous prime is 121031321. The next prime is 121031363. The reversal of 121031327 is 723130121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121031327 - 216 = 120965791 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121031299 and 121031308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121031321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515663 + 60515664.

It is an arithmetic number, because the mean of its divisors is an integer number (60515664).

Almost surely, 2121031327 is an apocalyptic number.

121031327 is a deficient number, since it is larger than the sum of its proper divisors (1).

121031327 is an equidigital number, since it uses as much as digits as its factorization.

121031327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 121031327 is about 11001.4238623916. The cubic root of 121031327 is about 494.6514255126.

Adding to 121031327 its reverse (723130121), we get a palindrome (844161448).

The spelling of 121031327 in words is "one hundred twenty-one million, thirty-one thousand, three hundred twenty-seven".