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313325105309 is a prime number
BaseRepresentation
bin1001000111100111010…
…00011011000010011101
31002221202011110111211222
410203303220123002131
520113142211332214
6355534540223125
731431326311016
oct4436350330235
91087664414758
10313325105309
11110975943127
1250883b3aaa5
132371467b4c8
1411244b3800d
15823c42d38e
hex48f3a1b09d

313325105309 has 2 divisors, whose sum is σ = 313325105310. Its totient is φ = 313325105308.

The previous prime is 313325105287. The next prime is 313325105321. The reversal of 313325105309 is 903501523313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273610594084 + 39714511225 = 523078^2 + 199285^2 .

It is a cyclic number.

It is not a de Polignac number, because 313325105309 - 212 = 313325101213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313325105369) 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, 156662552654 + 156662552655.

It is an arithmetic number, because the mean of its divisors is an integer number (156662552655).

Almost surely, 2313325105309 is an apocalyptic number.

It is an amenable number.

313325105309 is a deficient number, since it is larger than the sum of its proper divisors (1).

313325105309 is an equidigital number, since it uses as much as digits as its factorization.

313325105309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 35.

The spelling of 313325105309 in words is "three hundred thirteen billion, three hundred twenty-five million, one hundred five thousand, three hundred nine".