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131325673 is a prime number
BaseRepresentation
bin1111101001111…
…01111011101001
3100011010000221211
413310331323221
5232104410143
621010433121
73153151453
oct764757351
9304100854
10131325673
1168147a16
1237b927a1
1321290ccb
14136272d3
15b7e149d
hex7d3dee9

131325673 has 2 divisors, whose sum is σ = 131325674. Its totient is φ = 131325672.

The previous prime is 131325577. The next prime is 131325713. The reversal of 131325673 is 376523131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70610409 + 60715264 = 8403^2 + 7792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131325673 is a prime.

It is not a weakly prime, because it can be changed into another prime (131325973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65662836 + 65662837.

It is an arithmetic number, because the mean of its divisors is an integer number (65662837).

Almost surely, 2131325673 is an apocalyptic number.

It is an amenable number.

131325673 is a deficient number, since it is larger than the sum of its proper divisors (1).

131325673 is an equidigital number, since it uses as much as digits as its factorization.

131325673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 31.

The square root of 131325673 is about 11459.7414019689. The cubic root of 131325673 is about 508.2958279116.

The spelling of 131325673 in words is "one hundred thirty-one million, three hundred twenty-five thousand, six hundred seventy-three".