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311293091713 is a prime number
BaseRepresentation
bin1001000011110101000…
…00111001111110000001
31002202111112212112020011
410201322200321332001
520100012012413323
6355001151144521
731330063423102
oct4417240717601
91082445775204
10311293091713
1111002292024a
12503b7515141
132347c6a57b6
14110d0d083a9
15816dd4520d
hex487a839f81

311293091713 has 2 divisors, whose sum is σ = 311293091714. Its totient is φ = 311293091712.

The previous prime is 311293091699. The next prime is 311293091833. The reversal of 311293091713 is 317190392113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308478046464 + 2815045249 = 555408^2 + 53057^2 .

It is a cyclic number.

It is not a de Polignac number, because 311293091713 - 233 = 302703157121 is a prime.

It is not a weakly prime, because it can be changed into another prime (311293098713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155646545856 + 155646545857.

It is an arithmetic number, because the mean of its divisors is an integer number (155646545857).

Almost surely, 2311293091713 is an apocalyptic number.

It is an amenable number.

311293091713 is a deficient number, since it is larger than the sum of its proper divisors (1).

311293091713 is an equidigital number, since it uses as much as digits as its factorization.

311293091713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 40.

The spelling of 311293091713 in words is "three hundred eleven billion, two hundred ninety-three million, ninety-one thousand, seven hundred thirteen".