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31014300209 is a prime number
BaseRepresentation
bin11100111000100110…
…001010101000110001
32222001102212200200112
4130320212022220301
51002004130101314
622125304031105
72145364126214
oct347046125061
988042780615
1031014300209
1112175844872
126016762495
132c0356b239
14170303977b
15c17bd243e
hex73898aa31

31014300209 has 2 divisors, whose sum is σ = 31014300210. Its totient is φ = 31014300208.

The previous prime is 31014300167. The next prime is 31014300253. The reversal of 31014300209 is 90200341013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23196203809 + 7818096400 = 152303^2 + 88420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31014300209 is a prime.

It is not a weakly prime, because it can be changed into another prime (31014300259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15507150104 + 15507150105.

It is an arithmetic number, because the mean of its divisors is an integer number (15507150105).

Almost surely, 231014300209 is an apocalyptic number.

It is an amenable number.

31014300209 is a deficient number, since it is larger than the sum of its proper divisors (1).

31014300209 is an equidigital number, since it uses as much as digits as its factorization.

31014300209 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 23.

The spelling of 31014300209 in words is "thirty-one billion, fourteen million, three hundred thousand, two hundred nine".