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115051331 is a prime number
BaseRepresentation
bin1101101101110…
…00101101000011
322000111012202102
412312320231003
5213423120311
615225541015
72564630423
oct666705503
9260435672
10115051331
1159a4184a
123264476b
131aab3615
14113cc483
15a17943b
hex6db8b43

115051331 has 2 divisors, whose sum is σ = 115051332. Its totient is φ = 115051330.

The previous prime is 115051283. The next prime is 115051351. The reversal of 115051331 is 133150511.

It is an a-pointer prime, because the next prime (115051351) can be obtained adding 115051331 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115051331 - 214 = 115034947 is a prime.

It is a super-2 number, since 2×1150513312 = 26473617529743122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115051351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57525665 + 57525666.

It is an arithmetic number, because the mean of its divisors is an integer number (57525666).

Almost surely, 2115051331 is an apocalyptic number.

115051331 is a deficient number, since it is larger than the sum of its proper divisors (1).

115051331 is an equidigital number, since it uses as much as digits as its factorization.

115051331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 115051331 is about 10726.1983479703. The cubic root of 115051331 is about 486.3667559079.

The spelling of 115051331 in words is "one hundred fifteen million, fifty-one thousand, three hundred thirty-one".