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131046313 is a prime number
BaseRepresentation
bin1111100111110…
…01101110101001
3100010120211202011
413303321232221
5232021440223
621000435521
73150606136
oct763715651
9303524664
10131046313
1167a77042
1237a78ba1
13211c3ac8
141359358d
15b78880d
hex7cf9ba9

131046313 has 2 divisors, whose sum is σ = 131046314. Its totient is φ = 131046312.

The previous prime is 131046299. The next prime is 131046367. The reversal of 131046313 is 313640131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78004224 + 53042089 = 8832^2 + 7283^2 .

It is a cyclic number.

It is not a de Polignac number, because 131046313 - 29 = 131045801 is a prime.

It is not a weakly prime, because it can be changed into another prime (131746313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65523156 + 65523157.

It is an arithmetic number, because the mean of its divisors is an integer number (65523157).

Almost surely, 2131046313 is an apocalyptic number.

It is an amenable number.

131046313 is a deficient number, since it is larger than the sum of its proper divisors (1).

131046313 is an equidigital number, since it uses as much as digits as its factorization.

131046313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 131046313 is about 11447.5461562730. The cubic root of 131046313 is about 507.9351512174.

Adding to 131046313 its reverse (313640131), we get a palindrome (444686444).

The spelling of 131046313 in words is "one hundred thirty-one million, forty-six thousand, three hundred thirteen".