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131302097 is a prime number
BaseRepresentation
bin1111101001110…
…00001011010001
3100011001211121122
413310320023101
5232103131342
621010132025
73153022643
oct764701321
9304054548
10131302097
1168131233
1237b81015
1321283364
141361c893
15b7d94d2
hex7d382d1

131302097 has 2 divisors, whose sum is σ = 131302098. Its totient is φ = 131302096.

The previous prime is 131302079. The next prime is 131302109. The reversal of 131302097 is 790203131.

Together with previous prime (131302079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71842576 + 59459521 = 8476^2 + 7711^2 .

It is a cyclic number.

It is not a de Polignac number, because 131302097 - 216 = 131236561 is a prime.

It is not a weakly prime, because it can be changed into another prime (131302037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651048 + 65651049.

It is an arithmetic number, because the mean of its divisors is an integer number (65651049).

Almost surely, 2131302097 is an apocalyptic number.

It is an amenable number.

131302097 is a deficient number, since it is larger than the sum of its proper divisors (1).

131302097 is an equidigital number, since it uses as much as digits as its factorization.

131302097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 131302097 is about 11458.7127112953. The cubic root of 131302097 is about 508.2654091332.

The spelling of 131302097 in words is "one hundred thirty-one million, three hundred two thousand, ninety-seven".