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131355043 is a prime number
BaseRepresentation
bin1111101010001…
…01000110100011
3100011011112020121
413311011012203
5232111330133
621011221111
73153333211
oct765050643
9304145217
10131355043
1168167a96
1237ba7797
13212a14a1
1413633cb1
15b7ea02d
hex7d451a3

131355043 has 2 divisors, whose sum is σ = 131355044. Its totient is φ = 131355042.

The previous prime is 131355023. The next prime is 131355061. The reversal of 131355043 is 340553131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131355043 - 213 = 131346851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131354999 and 131355017.

It is not a weakly prime, because it can be changed into another prime (131355023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65677521 + 65677522.

It is an arithmetic number, because the mean of its divisors is an integer number (65677522).

Almost surely, 2131355043 is an apocalyptic number.

131355043 is a deficient number, since it is larger than the sum of its proper divisors (1).

131355043 is an equidigital number, since it uses as much as digits as its factorization.

131355043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 131355043 is about 11461.0227728593. The cubic root of 131355043 is about 508.3337172681. Note that the first 3 decimals are identical.

The spelling of 131355043 in words is "one hundred thirty-one million, three hundred fifty-five thousand, forty-three".